Remove zombie channels from the chat list

src/app/chat/views/channels_list.nim

@@ -73,9 +73,13 @@ QtObject:
 
   proc upsertChannel(self: ChannelsList, channel: Chat): int =
     let idx = self.chats.findIndexById(channel.id)
-
     if idx == -1:
-      result = self.addChatItemToList(channel)
+        if channel.isActive:
+          # We only want to add a channel to the list if it is active
+          # otherwise, we'll end up with zombie channels on the list
+          result = self.addChatItemToList(channel)
+        else:
+          result = -1
     else:
       result = idx
 

src/status/chat.nim

@@ -119,7 +119,7 @@ proc leave*(self: ChatModel, chatId: string) =
   self.filters.del(chatId)
   self.channels.del(chatId)  
   self.events.emit("channelLeft", ChatIdArg(chatId: chatId))
-  self.events.emit("activeChannelChanged", ChatIdArg(chatId: self.getActiveChannel()))
+  self.events.emit("activeChannelChanged", ChatIdArg(chatId: ""))
 
 
 proc setActiveChannel*(self: ChatModel, chatId: string) =