avm2: DataEvent fixes

- `DataEvent.data` should delegate to the superclass's `TextEvent.text`
- `DataEvent.clone` implementation was wrong

core/src/avm2/globals/flash/events/DataEvent.as

@@ -2,33 +2,34 @@
 // https://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/events/DataEvent.html
 // by https://github.com/golfinq/ActionScript_Event_Builder
 // It won't be regenerated in the future, so feel free to edit and/or fix
-package flash.events
-{
-    public class DataEvent extends TextEvent
-    {
+package flash.events {
+    public class DataEvent extends TextEvent {
         public static const DATA:String = "data"; // Defines the value of the type property of a data event object.
         public static const UPLOAD_COMPLETE_DATA:String = "uploadCompleteData"; // Defines the value of the type property of an uploadCompleteData event object.
 
-        public var data: String; // The raw data loaded into Flash Player or Adobe AIR.
+        public function DataEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, data:String = "") {
+            super(type, bubbles, cancelable, data);
+        }
+
+
+        // `DataEvent.data` seems to delegate to the superclass's (TextEvent's) `TextEvent.text`.
+        public function get data():String {
+            return super.text;
+        }
 
-        public function DataEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, data:String = "")
-        {
-            super(type,bubbles,cancelable, data);
-            this.data = data;
+        public function set data(value:String):void {
+            super.text = value;
         }
-        
+
 
         //  Creates a copy of the DataEvent object and sets the value of each property to match that of the original.
-        override public function clone():Event
-        {
-            return new DataEvent(this.type, this.bubbles, this.cancelable, this.text, this.data);
+        override public function clone():Event {
+            return new DataEvent(this.type, this.bubbles, this.cancelable, this.data);
         }
 
         //  Returns a string that contains all the properties of the DataEvent object.
-        override public function toString():String
-        {
+        override public function toString():String {
             return this.formatToString("DataEvent","type","bubbles","cancelable","eventPhase","data");
         }
     }
 }
-