Problem with tor browser theme (System color) and app integration in App Menu

$ inxi --full --verbosity=7 --filter --no-host
System:    Kernel: 5.4.72-1-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.0 Desktop: KDE Plasma 5.19.5 tk: Qt 5.15.1 
           info: latte-dock wm: kwin_x11 dm: SDDM Distro: Manjaro Linux 
Machine:   Type: Laptop System: Acer product: Predator PH315-51 v: V1.26 serial: <filter> 
           Mobo: CFL model: Sienta_CFS v: V1.26 serial: <filter> UEFI: Insyde v: 1.26 date: 03/27/2019 
Battery:   ID-1: BAT1 charge: 24.4 Wh condition: 39.9/48.9 Wh (82%) volts: 14.9/15.2 model: LG PABAS0241231 type: Li-ion 
           serial: <filter> status: Discharging 
Memory:    RAM: total: 7.62 GiB used: 1.95 GiB (25.5%) 
           RAM Report: permissions: Unable to run dmidecode. Root privileges required. 
CPU:       Topology: 6-Core model: Intel Core i7-8750H bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 9216 KiB 
           bogomips: 52815 
           Speed: 900 MHz min/max: 800/2200 MHz Core speeds (MHz): 1: 900 2: 900 3: 840 4: 896 5: 839 6: 893 7: 840 8: 835 
           9: 843 10: 840 11: 840 12: 838 
           Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat arch_perfmon art avx avx2 bmi1 bmi2 bts clflush 
           clflushopt cmov constant_tsc cpuid cpuid_fault cx16 cx8 de ds_cpl dtes64 dtherm dts epb ept ept_ad erms est f16c 
           flexpriority flush_l1d fma fpu fsgsbase fxsr ht hwp hwp_act_window hwp_epp hwp_notify ibpb ibrs ida intel_pt 
           invpcid invpcid_single lahf_lm lm mca mce md_clear mmx monitor movbe mpx msr mtrr nonstop_tsc nopl nx pae pat pbe 
           pcid pclmulqdq pdcm pdpe1gb pebs pge pln pni popcnt pse pse36 pti pts rdrand rdseed rdtscp rep_good sdbg sep smap 
           smep ss ssbd sse sse2 sse4_1 sse4_2 ssse3 stibp syscall tm tm2 tpr_shadow tsc tsc_adjust tsc_deadline_timer vme vmx 
           vnmi vpid x2apic xgetbv1 xsave xsavec xsaveopt xsaves xtopology xtpr 
Graphics:  Device-1: Intel UHD Graphics 630 vendor: Acer Incorporated ALI driver: i915 v: kernel bus ID: 00:02.0 
           chip ID: 8086:3e9b 
           Device-2: Quanta HD Webcam type: USB driver: uvcvideo bus ID: 1-5:3 chip ID: 0408:a060 serial: <filter> 
           Display: x11 server: X.Org 1.20.9 compositor: kwin_x11 driver: intel resolution: 1920x1080~60Hz s-dpi: 96 
           OpenGL: renderer: Mesa Intel UHD Graphics 630 (CFL GT2) v: 4.6 Mesa 20.1.8 direct render: Yes 
Audio:     Device-1: Intel Cannon Lake PCH cAVS vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel bus ID: 00:1f.3 
           chip ID: 8086:a348 
           Device-2: NVIDIA GP107GL High Definition Audio driver: snd_hda_intel v: kernel bus ID: 01:00.1 chip ID: 10de:0fb9 
           Sound Server: ALSA v: k5.4.72-1-MANJARO 
Network:   Device-1: Intel Wireless-AC 9560 [Jefferson Peak] driver: iwlwifi v: kernel port: 5000 bus ID: 00:14.3 
           chip ID: 8086:a370 
           IF: wlp0s20f3 state: down mac: <filter> 
           Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Acer Incorporated ALI driver: r8169 
           v: kernel port: 3000 bus ID: 06:00.1 chip ID: 10ec:8168 
           IF: enp6s0f1 state: up speed: 100 Mbps duplex: full mac: <filter> 
           IP v4: <filter> type: dynamic noprefixroute scope: global broadcast: <filter> 
           IP v6: <filter> type: noprefixroute scope: link 
           WAN IP: <filter> 
Drives:    Local Storage: total: 1.03 TiB used: 252.08 GiB (24.0%) 
           ID-1: /dev/sda vendor: SK Hynix model: HFS128G39TND-N210A size: 119.24 GiB speed: 6.0 Gb/s serial: <filter> 
           rev: 1P10 scheme: GPT 
           ID-2: /dev/sdb vendor: HGST (Hitachi) model: HTS721010A9E630 size: 931.51 GiB speed: 6.0 Gb/s rotation: 7200 rpm 
           serial: <filter> rev: A3J0 scheme: GPT 
           Message: No Optical or Floppy data was found. 
RAID:      Message: No RAID data was found. 
Partition: ID-1: / size: 108.50 GiB used: 16.69 GiB (15.4%) fs: ext4 dev: /dev/sda3 label: N/A 
           uuid: 4552388e-f48d-4e6a-9332-d17dd1dafa75 
           ID-2: /boot/efi size: 511.0 MiB used: 312 KiB (0.1%) fs: vfat dev: /dev/sda1 label: N/A uuid: D36A-C06D 
           ID-3: /mnt/c94d185c-f75f-453b-bc8b-aff8bc598341 size: 915.89 GiB used: 235.39 GiB (25.7%) fs: ext4 dev: /dev/sdb1 
           label: N/A uuid: c94d185c-f75f-453b-bc8b-aff8bc598341 
Swap:      ID-1: swap-1 type: partition size: 8.00 GiB used: 0 KiB (0.0%) priority: -2 dev: /dev/sda2 label: N/A 
           uuid: d36f260e-c0c3-44b4-9de8-42c6a9046287 
Unmounted: Message: No unmounted partitions found. 
USB:       Hub: 1-0:1 info: Full speed (or root) Hub ports: 16 rev: 2.0 speed: 480 Mb/s chip ID: 1d6b:0002 
           Device-1: 1-4:2 info: Logitech G203 Gaming Mouse type: Mouse,HID driver: hid-generic,usbhid interfaces: 2 rev: 2.0 
           speed: 12 Mb/s chip ID: 046d:c084 serial: <filter> 
           Device-2: 1-5:3 info: Quanta HD Webcam type: Video driver: uvcvideo interfaces: 2 rev: 2.0 speed: 480 Mb/s 
           chip ID: 0408:a060 serial: <filter> 
           Device-3: 1-14:4 info: Intel Bluetooth 9460/9560 Jefferson Peak (JfP) type: Bluetooth driver: btusb interfaces: 2 
           rev: 2.0 speed: 12 Mb/s chip ID: 8087:0aaa 
           Hub: 2-0:1 info: Full speed (or root) Hub ports: 8 rev: 3.1 speed: 10 Gb/s chip ID: 1d6b:0003 
Sensors:   System Temperatures: cpu: 53.0 C mobo: N/A 
           Fan Speeds (RPM): N/A 
Info:      Processes: 283 Uptime: 33m Init: systemd v: 246 Compilers: gcc: 10.2.0 Packages: pacman: 1246 Shell: Bash v: 5.0.18 
           running in: konsole inxi: 3.1.05 

I have downloaded, verified and extracted tor browser package from official website. I can launch the browser with browser launcher but cannot find a way to make it available into application menu of KDE.
Please guide me to make it available in app menu of kde.

Also, when I launch the tor broser, It doesn’t pick the theme/color-scheme of the system, It runs as a plain wite regular browser. Is there any way to theme it like original system theme?

Best place to ask that would be one of their mailing list IMHO…
Because menu entries are done in a standards way irrespective of Window-Managers, but the theming could be specific to the Tor-Browser…