litarvan lightdm theme apparently broken on Manjaro?

apparently the litarvan lightdm theme is not working on manjaro. I already mentioned this in the GitHub issue tracker in there GitHub, where the maintainer of the package suggested that it might be an issue with manjaro as other lightdm themes (like the slick-greeter), do work.

System:    Host: andres-pc Kernel: 5.6.3-8-tkg-pds x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: KDE Plasma 5.18.4
           Distro: Manjaro Linux
Machine:   Type: Desktop System: Gigabyte product: X470 AORUS ULTRA GAMING v: N/A serial: <root required>
           Mobo: Gigabyte model: X470 AORUS ULTRA GAMING-CF v: x.x serial: <root required> UEFI: American Megatrends v: F50
           date: 11/27/2019
CPU:       Topology: 8-Core model: AMD Ryzen 7 2700X bits: 64 type: MT MCP arch: Zen+ rev: 2 L2 cache: 4096 KiB
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm bogomips: 117838
           Speed: 3815 MHz min/max: 2200/3600 MHz Core speeds (MHz): 1: 2236 2: 2319 3: 2229 4: 2191 5: 2189 6: 2211 7: 2191
           8: 2481 9: 2245 10: 2199 11: 2208 12: 2179 13: 2214 14: 2623 15: 2218 16: 2433
Graphics:  Device-1: NVIDIA GP104 [GeForce GTX 1080] vendor: Gigabyte driver: nvidia v: 440.66.08 bus ID: 0a:00.0
           Display: x11 server: X.Org 1.20.8 driver: nvidia resolution: 3840x2160~60Hz
           OpenGL: renderer: GeForce GTX 1080/PCIe/SSE2 v: 4.6.0 NVIDIA 440.66.08 direct render: Yes
Audio:     Device-1: NVIDIA GP104 High Definition Audio vendor: Gigabyte driver: snd_hda_intel v: kernel bus ID: 0a:00.1
           Device-2: Advanced Micro Devices [AMD] Family 17h HD Audio vendor: Gigabyte driver: snd_hda_intel v: kernel
           bus ID: 0c:00.3
           Device-3: Logitech G933 Wireless Headset Dongle type: USB driver: hid-generic,snd-usb-audio,usbhid bus ID: 5-3:3
           Sound Server: ALSA v: k5.6.3-8-tkg-pds
Network:   Device-1: Intel Wi-Fi 6 AX200 driver: iwlwifi v: kernel bus ID: 05:00.0
           IF: wlp5s0 state: down mac: 0a:fe:ca:02:0d:b8
           Device-2: Intel I211 Gigabit Network vendor: Gigabyte driver: igb v: 5.6.0-k port: f000 bus ID: 07:00.0
           IF: enp7s0 state: up speed: 1000 Mbps duplex: full mac: e0:d5:5e:a6:73:6a
           IF-ID-1: anbox0 state: down mac: da:ac:36:a7:cc:21
           IF-ID-2: virbr0 state: down mac: 52:54:00:f8:bb:81
           IF-ID-3: virbr0-nic state: down mac: 52:54:00:f8:bb:81
Drives:    Local Storage: total: 2.96 TiB used: 2.52 TiB (85.1%)
           ID-1: /dev/nvme0n1 vendor: Samsung model: SSD 970 EVO 250GB size: 232.89 GiB
           ID-2: /dev/nvme1n1 vendor: Samsung model: SSD 960 EVO 250GB size: 232.89 GiB
           ID-3: /dev/sda vendor: Seagate model: ST2000DX002-2DV164 size: 1.82 TiB
           ID-4: /dev/sdb vendor: Seagate model: ST1000DM010-2EP102 size: 931.51 GiB
Partition: ID-1: / size: 220.07 GiB used: 170.31 GiB (77.4%) fs: ext4 dev: /dev/nvme0n1p2
           ID-2: swap-1 size: 8.00 GiB used: 4.0 MiB (0.0%) fs: swap dev: /dev/nvme0n1p3
Sensors:   System Temperatures: cpu: 61.5 C mobo: 39.0 C gpu: nvidia temp: 50 C
           Fan Speeds (RPM): cpu: 686 fan-1: 824 fan-3: 818 fan-4: 0 fan-5: 0 gpu: nvidia fan: 21%
           Voltages: 12v: N/A 5v: N/A 3.3v: 3.31 vbat: 3.29
Info:      Processes: 536 Uptime: 17m Memory: 15.59 GiB used: 8.91 GiB (57.2%) Init: systemd Compilers: gcc: 9.3.0
           clang: 9.0.1 Shell: bash v: 5.0.16 inxi: 3.0.37

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