[3d] refactor legacy code by using new vue style (#3161)

src/extensions/core/saveMesh.ts

@@ -24,7 +24,9 @@ useExtensionService().registerExtension({
       PREVIEW_3D(node) {
         const inputSpec: CustomInputSpec = {
           name: 'image',
-          type: 'Preview3D'
+          type: 'Preview3D',
+          isAnimation: false,
+          isPreview: true
         }
 
         const widget = new ComponentWidgetImpl({
@@ -66,8 +68,6 @@ useExtensionService().registerExtension({
       if (load3d && modelWidget) {
         const filePath = fileInfo['subfolder'] + '/' + fileInfo['filename']
 
-        console.log(filePath)
-
         modelWidget.value = filePath
 
         const config = new Load3DConfiguration(load3d)