[geary] (7 commits) ...Merge branch 'mjog/responsive-layout-fixes' into 'mainline'

[Michael Gratton <mjog src gnome org>]

Summary of changes:

  3c001a9... client: Fix <Enter> not activating folder tree rows (*)
  da611cc... client: Fix main window load_more being triggered folded (*)
  45bab34... client: Only enable find-in-conversation action when the vi (*)
  2222c6a... client: Ensure search UI is actually shown when activating  (*)
  1667a7b... client: Ensure keyboard focus is not lost when main window  (*)
  791b747... client: Consistently use Gtk.Widget.error_bell, not Gdk.Win (*)
  d62a88b... Merge branch 'mjog/responsive-layout-fixes' into 'mainline'

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