zone based assets added and 3d widgets dnd updated

app/src/components/layout/sidebarLeft/visualization/widgets/Widgets3D.tsx

@@ -21,11 +21,13 @@ const Widgets3D = () => {
           className="widget-item"
           draggable
           onDragStart={(e) => {
+            let name = widget.name
             let crt = e.target
             if (crt instanceof HTMLElement) {
               const widget = crt.cloneNode(true) as HTMLElement;
               e.dataTransfer.setDragImage(widget, 0, 0)
               e.dataTransfer.effectAllowed = "move"
+              e.dataTransfer.setData("text/plain", "ui-" + name)
             }
           }}
           onPointerDown={() => {
@@ -40,7 +42,7 @@ const Widgets3D = () => {
             className="widget-image"
             src={widget.img}
             alt={widget.name}
-          // draggable={false}
+          draggable={false}
           />
         </div>
       ))}