You did not provided any other information about the host operating system on your apple device, If is MacOS/OSx please read this:
We can’t know what version of Virtual Box you have installed.
You did not mentioned what DE (desktop environment) you are using for the Manjaro guest install. Wayland session in a couple of them can be set or not at login screen. If the DE is Gnome then you chose Gnome X11 session. If is Plasma you avoid Plasma Wayland session.