refactor: update VehicleMechanics to use LabledDropdown for start and end point selection; clean up unused MQTT code and improve zone data fetching logic

app/src/components/ui/componets/RealTimeVisulization.tsx

@@ -76,7 +76,7 @@ const RealTimeVisulization: React.FC = () => {
     }
 
     GetZoneData();
-  }, []); // Removed `zones` from dependencies
+  }, [activeModule]); // Removed `zones` from dependencies
 
 
   useEffect(() => {
@@ -97,7 +97,7 @@ const RealTimeVisulization: React.FC = () => {
       };
     });
   }, [selectedZone]);
-  
+
   useEffect(() => {
 
   }, [floatingWidgets])