Refactor Action class constructor to handle optional fields more efficiently

lib/features/scene/model/scene_details_model.dart

@@ -90,44 +90,25 @@ class Action {
   String toRawJson() => json.encode(toJson());
 
   static Action? fromJson(Map<String, dynamic> json) {
-    // Safely extract required fields with null checks
     final String? actionExecutor = json["actionExecutor"] as String?;
     final String? entityId = json["entityId"] as String?;
-    final String? productType = json['productType'] as String?;
-    final String? deviceName = json['deviceName'] as String?;
 
-    // Skip invalid actions with missing required fields
-    if (actionExecutor == null ||
-        entityId == null ||
-        productType == null ||
-        deviceName == null) {
+   
+    if (actionExecutor == null || entityId == null) {
       return null;
     }
 
-    // Handle actions with 'name' and 'type'
-    if (json['name'] != null && json['type'] != null) {
-      return Action(
-        actionExecutor: actionExecutor,
-        entityId: entityId,
-        name: json['name'] as String?,
-        type: json['type'] as String?,
-        productType: productType,
-        deviceName: deviceName,
-      );
-    }
-
-    // Handle actions with 'executorProperty'
-    if (json["executorProperty"] != null) {
-      return Action(
-        actionExecutor: actionExecutor,
-        entityId: entityId,
-        executorProperty: ExecutorProperty.fromJson(json["executorProperty"]),
-        productType: productType,
-        deviceName: deviceName,
-      );
-    }
-
-    return null; // Skip invalid actions
+    return Action(
+      actionExecutor: actionExecutor,
+      entityId: entityId,
+      executorProperty: json["executorProperty"] != null
+          ? ExecutorProperty.fromJson(json["executorProperty"])
+          : null,
+      name: json['name'] as String?,
+      type: json['type'] as String?,
+      productType: json['productType'] as String? ?? 'unknown', 
+      deviceName: json['deviceName'] as String? ?? 'Delay Action', 
+    );
   }
 
   Map<String, dynamic> toJson() => {