evtl fix client errors

ReallifeGamemode.Client/Tuning/sirensilence.ts

@@ -4,10 +4,18 @@
     });
 
     mp.events.add('toggleVehicleSiren', (vehicle, state) => {
+        if (!vehicle) {
+            return;
+        }
+
         vehicle.setSirenSound(state);
     });
 
     mp.events.add('entityStreamIn', (entity) => {
+        if (!entity) {
+            return;
+        }
+
         if (entity.isAVehicle()) {
             var state = entity.getVariable("sirenSound");
             if (state === undefined) return;

ReallifeGamemode.Client/Tuning/sync.ts

@@ -1,5 +1,8 @@
 export default function tuningSync() {
     mp.events.add('entityStreamIn', (entity: EntityMp) => {
+        if (!entity) {
+            return;
+        }
         if (entity.isAVehicle()) {
 
             var vehicle: VehicleMp = entity as VehicleMp;
@@ -16,10 +19,17 @@
     });
 
     mp.events.add('vehicleToggleMod', (veh, slot, newval) => {
+        if (!veh) {
+            return;
+        }
+
         veh.toggleMod(slot, newval);
     });
 
     mp.events.addDataHandler("vehicleTaxiLight", (entity: VehicleMp, state: boolean) => {
+        if (!entity) {
+            return;
+        }
         entity.setTaxiLights(state);
     });
 }