Don't try to match query against roomId

We only care about aliases.

src/autocomplete/RoomProvider.js

@@ -42,7 +42,7 @@ export default class RoomProvider extends AutocompleteProvider {
     constructor() {
         super(ROOM_REGEX);
         this.matcher = new FuzzyMatcher([], {
-            keys: ['displayedAlias', 'name', 'roomId'],
+            keys: ['displayedAlias', 'name'],
         });
     }