replace join_room by view_room as deferred action, as join_room doens't change the page type in matrixchat

src/components/structures/RoomView.js

@@ -892,8 +892,8 @@ module.exports = React.createClass({
             dis.dispatch({
                 action: 'do_after_sync_prepared',
                 deferred_action: {
-                    action: 'join_room',
-                    opts: { inviteSignUrl: signUrl, viaServers: this.props.viaServers },
+                    action: 'view_room',
+                    room_id: this.state.room.roomId,
                 },
             });
 
@@ -903,7 +903,6 @@ module.exports = React.createClass({
             // XXX: ILAG is disabled for now,
             // see https://github.com/vector-im/riot-web/issues/8222
             dis.dispatch({action: 'require_registration'});
-            return;
             // dis.dispatch({
             //     action: 'will_join',
             // });
@@ -933,8 +932,7 @@ module.exports = React.createClass({
             //     },
             // }).close;
             // return;
-        }
-
+        } else {
             Promise.resolve().then(() => {
                 const signUrl = this.props.thirdPartyInvite ?
                     this.props.thirdPartyInvite.inviteSignUrl : undefined;
@@ -944,6 +942,8 @@ module.exports = React.createClass({
                 });
                 return Promise.resolve();
             });
+        }
+
     },
 
     onMessageListScroll: function(ev) {