[gnome-software] (7 commits) ...Merge branch '1381-category-page-loading-state-doesn-t-match-final-layout' into 'main'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  28ac1eb... gs-featured-carousel: Use empty content when no apps are se (*)
  80de0eb... gs-overview-page: Initialize featured carousel with empty c (*)
  3a8980c... gs-category-page: Initialize featured carousel with empty c (*)
  1f6c5f7... gs-category-page: Change number of placeholder cards (*)
  0cd7cf8... gs-summary-tile: Remove the 'button' class name on the widg (*)
  a102040... gs-category-page: Remove `activatable` style from placehold (*)
  fcbd172... Merge branch '1381-category-page-loading-state-doesn-t-matc

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