Fix crash in room without create state event

src/app/molecules/room-visibility/RoomVisibility.jsx

@@ -70,7 +70,7 @@ function RoomVisibility({ roomId }) {
 
   const noSpaceParent = currentState.getStateEvents('m.space.parent').length === 0;
   const mCreate = currentState.getStateEvents('m.room.create')[0]?.getContent();
-  const roomVersion = Number(mCreate.room_version);
+  const roomVersion = Number(mCreate?.room_version ?? 0);
 
   const myPowerlevel = room.getMember(mx.getUserId())?.powerLevel || 0;
   const canChange = room.currentState.hasSufficientPowerLevelFor('state_default', myPowerlevel);

src/app/organisms/join-alias/JoinAlias.jsx

@@ -63,7 +63,7 @@ function JoinAliasContent({ term, requestClose }) {
     if (alias.startsWith('#')) {
       try {
         const aliasData = await mx.resolveRoomAlias(alias);
-        via = aliasData?.servers || [];
+        via = aliasData?.servers.slice(0, 3) || [];
         if (mountStore.getItem()) {
           setProcess(`Joining ${alias}...`);
         }

src/client/action/room.js

@@ -118,7 +118,6 @@ async function leave(roomId) {
   const isDM = initMatrix.roomList.directs.has(roomId);
   try {
     await mx.leave(roomId);
-    await mx.forget(roomId);
     appDispatcher.dispatch({
       type: cons.actions.room.LEAVE,
       roomId,