Accepting request 1253669 from GNOME:Next

- Update to version 48.0:
  + apps-menu: Fix scrolling items into view on keynav.
  + Misc. bug fixes and cleanups.
- Rebase gnome-shell-add-app-to-desktop.patch.

OBS-URL: https://build.opensuse.org/request/show/1253669
OBS-URL: https://build.opensuse.org/package/show/GNOME:Factory/gnome-shell-extensions?expand=0&rev=306

_service

@@ -3,7 +3,7 @@
   <service name="obs_scm" mode="manual">
     <param name="scm">git</param>
     <param name="url">https://gitlab.gnome.org/GNOME/gnome-shell-extensions.git</param>
-    <param name="revision">@PARENT_TAG@</param>
+    <param name="revision">48.0</param>
     <param name="versionformat">@PARENT_TAG@+@TAG_OFFSET@</param>
     <param name="versionrewrite-pattern">(.*)\+0</param>
     <param name="versionrewrite-replacement">\1</param>