fix: patch prototype

packages/designer/src/component-meta.ts

@@ -249,6 +249,9 @@ export class ComponentMeta {
     }
     return true;
   }
+
+  // compatiable vision
+  prototype?: any;
 }
 
 export function isComponentMeta(obj: any): obj is ComponentMeta {

packages/designer/src/document/node/node.ts

@@ -744,7 +744,7 @@ export class Node<Schema extends NodeSchema = NodeSchema> {
   }
 
   getPrototype() {
-    return this;
+    return this.componentMeta.prototype;
   }
 
   getIcon() {

packages/editor-preset-vision/src/bundle/prototype.ts

@@ -229,6 +229,7 @@ class Prototype {
       const metadata = isNewSpec(input) ? input : upgradeMetadata(input);
       this.meta = designer.createComponentMeta(metadata);
     }
+    (this.meta as any).prototype = this;
   }
 
   getId() {