fix(community): Remove channels duplications

Fixes: #10582

src/app_service/service/community/service.nim

@@ -807,6 +807,9 @@ QtObject:
       # TODO improve this by only loading the data for the wanted community
       self.chatService.loadChannelGroupById(communityId)
 
+      self.events.emit(SIGNAL_COMMUNITIES_UPDATE, CommunitiesArgs(communities: @[updatedCommunity]))
+      self.events.emit(SIGNAL_COMMUNITY_SPECTATED, CommunityArgs(community: updatedCommunity, fromUserAction: true))
+
       for k, chat in updatedCommunity.chats:
         let fullChatId = communityId & chat.id
         let currentChat =  self.chatService.getChatById(fullChatId, showWarning = false)
@@ -819,9 +822,6 @@ QtObject:
         # TODO find a way to populate missing infos like the color
         self.chatService.updateOrAddChat(chatDto)
         self.messageService.asyncLoadInitialMessagesForChat(fullChatId)
-
-      self.events.emit(SIGNAL_COMMUNITIES_UPDATE, CommunitiesArgs(communities: @[updatedCommunity]))
-      self.events.emit(SIGNAL_COMMUNITY_SPECTATED, CommunityArgs(community: updatedCommunity, fromUserAction: true))
     except Exception as e:
       error "Error joining the community", msg = e.msg
       result = fmt"Error joining the community: {e.msg}"