[gnome-music] (8 commits) Non-fast-forward update to branch wip/jfelder/searchbar-child

[Jean Felder <jfelder src gnome org>]

The branch 'wip/jfelder/searchbar-child' 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:

  e68a0ea... search: Introduce child state
  77737f8... searchbar: Directly use search_mode_enabled property
  2ef7b68... window: Listen to search-state changes
  814dcaa... window: Introduce search_mode_allowed property
  a38b992... headerbar: Remove search state
  b73fa9a... window: Search shortcut does not disable search-mode
  3a66735... window: Fix warnings with new Flake8
  3dcc4cb... CI: Remove window.py from flake8 exceptions

Commits added to the branch:

  9632022... search: Introduce child state
  6ecf8ca... searchbar: Directly use search_mode_enabled property
  4da7260... window: Listen to search-state changes
  13e0af5... window: Introduce search_mode_allowed property
  7a2410b... headerbar: Remove search state
  cdf3899... window: Search shortcut does not disable search-mode
  2345aa7... window: Fix warnings with new Flake8
  442b256... CI: Remove window.py from flake8 exceptions