feature suggestion: switch dark mode on single click

Would it be possible to create a switch, which change the behaviour of the system tray icon?
switch off = behaviour like now, left click on system tray icon opens program gui, to switch dark mode right click and select in menu
switch on = left click on system tray icon switches dark mode directly, right click to open menu and select open program

I would prefer the last behaviour, since I switch dark mode often but I don't need to configure the program that often.
This would improve usability (at least for me ;) )

Start by locating the system tray icon's left-click and right-click handlers, then review how the existing GUI and dark-mode menu actions are invoked. Done means an option switches left-click between opening the GUI and changing dark mode, while right-click provides the complementary action described in the issue.

Written by the indexing model from the issue text.