fix: core test and error message when formData is a string

not cleared

Author: JinYuSha0

packages/core/src/components/Form.tsx

@@ -319,7 +319,10 @@ export default class Form<
     if (!deepEquals(this.props, prevProps)) {
       const formDataChangedFields = getChangedFields(this.props.formData, prevProps.formData);
       const isSchemaChanged = !deepEquals(prevProps.schema, this.props.schema);
-      const isFormDataChanged = formDataChangedFields.length > 0;
+      // When formData is not an object, getChangedFields returns an empty array.
+      // In this case, deepEquals is most needed to check again.
+      const isFormDataChanged =
+        formDataChangedFields.length > 0 || !deepEquals(prevProps.formData, this.props.formData);
       const nextState = this.getStateFromProps(
         this.props,
         this.props.formData,

packages/core/test/Form.test.jsx

@@ -4489,8 +4489,8 @@ describe('Form omitExtraData and liveOmit', () => {
       // // error should still be present.
       errors = node.querySelectorAll('.error-detail');
       // screen.debug();
-      expect(errors).to.have.lengthOf(1);
-      expect(errors[0].textContent).to.be.eql("must have required property 'input'");
+      // change formData and make sure the error disappears.
+      expect(errors).to.have.lengthOf(0);
 
       // trigger programmatic validation again and make sure the error disappears.
       act(() => {