Fix loading indicator inconsistency (#9252)

* Use global loading indicator when loading more items

* Use local loading indicator for notifications

And remove global loading indicator for initial custom emojis load

app/javascript/mastodon/actions/favourites.js

@@ -30,6 +30,7 @@ export function fetchFavouritedStatuses() {
 export function fetchFavouritedStatusesRequest() {
   return {
     type: FAVOURITED_STATUSES_FETCH_REQUEST,
+    skipLoading: true,
   };
 };
 
@@ -38,6 +39,7 @@ export function fetchFavouritedStatusesSuccess(statuses, next) {
     type: FAVOURITED_STATUSES_FETCH_SUCCESS,
     statuses,
     next,
+    skipLoading: true,
   };
 };
 
@@ -45,6 +47,7 @@ export function fetchFavouritedStatusesFail(error) {
   return {
     type: FAVOURITED_STATUSES_FETCH_FAIL,
     error,
+    skipLoading: true,
   };
 };