fix: DEFECT-983 linkedge action panel select part device device output bind value type not a string

@@ -517,7 +517,7 @@ export const actionSchema: FormSchema[] = [
     colProps: {
       span: 6,
     },
-    defaultValue: 0,
+    defaultValue: '0',
     componentProps: ({ formActionType }) => {
       const { setFieldsValue } = formActionType;
       return {