Shouldn't update Event.deltaX as it is read-only property

As far as I can tell removing those lines doesn't have any issues. It solves typescripts error for e.deltaX having only getter.

Author: sha-N

src/litegraph.js

@@ -7481,8 +7481,8 @@ LGraphNode.prototype.executeAction = function(action)
         	clientY_rel = e.clientY;
         }
 
-        e.deltaX = clientX_rel - this.last_mouse_position[0];
-        e.deltaY = clientY_rel- this.last_mouse_position[1];
+        // e.deltaX = clientX_rel - this.last_mouse_position[0];
+        // e.deltaY = clientY_rel- this.last_mouse_position[1];
 
         this.last_mouse_position[0] = clientX_rel;
         this.last_mouse_position[1] = clientY_rel;