chore: typo in css file

Author: florianduros

res/css/views/rooms/RoomListPanel/_RoomListPrimaryFilters.pcss

@@ -39,7 +39,7 @@
         padding: unset;
         list-style-type: none;
         /**
-         * The InteractionObserver needs the height to be set for to work properly.
+         * The InteractionObserver needs the height to be set to work properly.
          */
         height: 100%;