[Bots] Verify Bots Group Integrity on join (#2980)

zone/bot.cpp

@@ -4547,6 +4547,7 @@ bool Bot::AddBotToGroup(Bot* bot, Group* group) {
 						group->SendUpdate(groupActUpdate, TempLeader);
 					}
 				}
+				group->VerifyGroup();
 				Result = true;
 			}
 		}