Fix small bug in webhub. (#5229)

app/web_hub.go

@@ -227,9 +227,11 @@ func (h *Hub) Start() {
 					}
 					if userId == webConCandidate.UserId {
 						found = true
+						if indexToDel != -1 {
 							break
 						}
 					}
+				}
 
 				if indexToDel != -1 {
 					// Delete the webcon we are unregistering