[gnome-games] (21 commits) Non-fast-forward update to branch wip/exalm/desktop-in-flatpak

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/desktop-in-flatpak' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  30b7049... tracker: Add TrackerMetadata
  b4c5f7a... tracker: Add prefix
  7a45dbd... desktop: Add DesktopTrackerAppInfo
  08903af... desktop: Fetch metadata via DesktopTrackerAppInfo
  dbaa1c1... flatpak: Open access to flatpak icon exports path
  885daf9... desktop: Add Flatpak icon paths

Commits added to the branch:

  92f6c6a... desktop: Blacklist flatpak-ed Steam (*)
  4d1c9ad... ui: Remove redundant line (*)
  180fbe1... flatpak: Drop bundled MIME types (*)
  dd8d706... ui: Respect 'border-radius' CSS property in GameThumbnail (*)
  6c8d56c... HACKING: Update build instructions for Meson (*)
  f2447c0... ui: Check icon_info for null in GameThumbnail (*)
  ba26674... steam: Skip libraries from InstallPath if it's empty (*)
  236b21e... playstation: Check sscanf() return value (*)
  ab5bb2e... ui: Check for null in SidebarView.model setter (*)
  15f27b6... ui: Disconnect previous handler in SidebarView.model setter (*)
  8f697f5... retro: Check if options file exists (*)
  1c3ed10... command: Remove process watching (*)
  13263da... ui: Add Application.is_running_in_flatpak() (*)
  14f17da... flatpak: Allow talking to org.freedesktop.Flatpak (*)
  3c4bd37... command: Use 'flatpak-spawn --host' to run games in Flatpak (*)
  49f3cd4... tracker: Add TrackerMetadata
  d0fb46d... tracker: Add prefix
  b57d512... desktop: Add DesktopTrackerAppInfo
  28a30d2... desktop: Fetch metadata via DesktopTrackerAppInfo
  85b3668... flatpak: Open access to flatpak icon exports path
  598c624... desktop: Add Flatpak icon paths

(*) This commit already existed in another branch; no separate mail sent