[Glitch] Add option to disable real-time updates in web UI

Port 729723f857 to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/util/compare_id.js

@@ -1,10 +1,11 @@
-export default function compareId(id1, id2) {
+export default function compareId (id1, id2) {
   if (id1 === id2) {
     return 0;
   }
+
   if (id1.length === id2.length) {
     return id1 > id2 ? 1 : -1;
   } else {
     return id1.length > id2.length ? 1 : -1;
   }
-}
+};

app/javascript/flavours/glitch/util/initial_state.js

@@ -30,5 +30,6 @@ export const isStaff = getMeta('is_staff');
 export const defaultContentType = getMeta('default_content_type');
 export const forceSingleColumn = getMeta('advanced_layout') === false;
 export const useBlurhash = getMeta('use_blurhash');
+export const usePendingItems = getMeta('use_pending_items');
 
 export default initialState;