[gnome-shell] (46 commits) Non-fast-forward update to branch wip/appdisplay-leak

[Ray Strode <halfline src gnome org>]

The branch 'wip/appdisplay-leak' 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:

  0596504... appDisplay: don't leak duplicate items in AppView
  cb6e44e... appDisplay: ensure FolderView gets destroyed with its icon

Commits added to the branch:

  a785270... search: Remove unnecessary containers (*)
  3f2cffc... theme: Don't apply overlap-preventing padding to search res (*)
  1a27ff6... search: Fix calculation of max number of displayed results  (*)
  8f0e9ab... iconGrid: Make sure the style is updated before computing t (*)
  2d908e8... search: Remove wrong additional argument for _createResultD (*)
  f583a7c... Update Karbi translation (*)
  043667d... theme: Provide icon helper classes (*)
  49e5677... theme: unbreak acrive states for icon tiles (*)
  08464ea... theme: make overview thumbnails rounder (*)
  b82b553... extensionPrefs: Inherit from Gtk.Application (*)
  43443d0... theme: app icon helper tweaks (*)
  ab0f74a... workspaceSwitcherPopup: Support horizontal layout (*)
  305e637... workspacesView: Support horizontal layout (*)
  208c5e9... shell: Don't use g_memmove() (*)
  bd51621... power: Make sure we fall back to the correct icon (*)
  d9d9778... main: Avoid missing braces warnings when compiling with cla (*)
  f9a7718... background: Adjust to gnome-desktop API break (*)
  2768b73... build: Clean out unused version requirements (*)
  d828102... extensionUtils: Move ExtensionState definition here (*)
  ea17740... extensionSystem: Turn into a class (*)
  6a4c55b... extensionSystem: Make methods to call extension functions p (*)
  4589da9... extensionSystem: Add methods to enable/disable extensions (*)
  5880635... extensionUtils: Add functions to (de)serialize extensions (*)
  32e0b89... shellDBus: Add new 'ExtensionStateChanged' signal (*)
  4a34762... extensionSystem: Add canChange property to extensions (*)
  a7ec758... extensionPrefs: Attach extension object to each row (*)
  1c63893... extensionPrefs: Override getCurrentExtension() for extensio (*)
  9928125... extensionPrefs: Switch to D-Bus API to get extension live s (*)
  1d6ddf0... extensionSystem: Move extension loading into ExtensionManag (*)
  43cb375... extensionSystem: Store extensions in a Map (*)
  ce1bee7... extensionSystem: Allow disabling session mode extensions (*)
  d471e3a... Bump version to 3.33.4 (*)
  7ca3cca... build: Bump gsettings-desktop-schemas requirement (*)
  7dda7ab... Update Basque translation (*)
  1117f47... Update Brazilian Portuguese translation (*)
  2a041e9... lint: Enforce consistent return (*)
  dd1fdf8... extensionPrefs: Add missing return value (*)
  2743f18... panel: Use dedicated Spinner class (*)
  1af85ee... appDisplay: don't leak duplicate items in AppView
  8b6c903... iconGrid: clear meta_later callback on destruction
  0c043dc... appDisplay: add AppFolderPopup destroy handler
  bb1690c... appDisplay: clear AllView reference to current popup when d
  3fe6f35... appDisplay: add destroy handler for FolderIcon
  0ed01fb... appDisplay: stop watching FolderIcon parent view when destr
  7007a8c... appDisplay: add open method to FolderIcon
  32d5b00... appDisplay: keep popup open on refresh

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