fix: membership requests dissapearing on a community update

Fixes #3315

src/app/chat/views/communities.nim

@@ -253,6 +253,8 @@ QtObject:
         self.joinedCommunityList.replaceCommunity(community)
       self.joinedCommunitiesChanged()
 
+    # Fetch latest requests for community
+    self.addMembershipRequests(self.pendingRequestsToJoinForCommunity(community.id))
     if (community.isMember == true):
       var i = 0
       for communityRequest in self.myCommunityRequests:

src/app/chat/views/community_item.nim

@@ -43,8 +43,9 @@ QtObject:
     self.chats.setChats(communityItem.chats)
     self.categories.setCategories(communityItem.categories)
     self.members.setCommunity(communityItem)
-    self.nbMembersChanged()
     self.communityMembershipRequestList.setNewData(communityItem.membershipRequests)
+    self.nbMembersChanged()
+
 
   proc activeChanged*(self: CommunityItemView) {.signal.}