Switching chatroom doesn't work when the user leaves it

[Silver-IT]

Problem

Steps to reproduce

• [Tab1] user1 creates a group
• [Tab2] user2 joins the group
• [Tab1] user1 creates a new channel and invites user2
• [Tab2] switches to the new channel
• [Tab1] user2 kicks user2 from the new channel
• [Tab2] user2 should be switched to the general chatroom, but nothing happens

Solution

Fix it

[Silver-IT]

Additionally, take also care of switching from group DM (when it is currentChatRoomID) to the general chatroom when the group members leave group.