fix(monster move): add stun state to movement stop condition

add check for stun state when determining if monster should stop moving and clear combat target

assets/script/game/hero/MonMoveComp.ts

@@ -75,7 +75,7 @@ export class MonMoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpda
             return;
         }
 
-        if (model.is_stop || model.is_dead || model.is_reviving || model.isFrost()) {
+        if (model.is_stop || model.is_dead || model.is_reviving || model.isFrost() || model.isStun()) {
             this.clearCombatTarget(model);
             if (!model.is_reviving) view.status_change("idle");
             return;