[CI] Fixed "build & test on own server" job
  [Enhancement] Fix obtaining tty by DISPLAY if DISPLAY contains a screen identifier
  [Enhancement] Whitelist policykit since obtaining the session tty is impossible in some scenarios (exploiting would require an already authenticated session)
  [Enhancement] Indicate to tmux we specify an id by prepending it with '$'
  [Enhancement] Fix versioning information
  [Enhancement] Fix compatibility with Wayland
  [Enhancement] Allow execution of complex commands in pamusb-agent