Fix: render PDF form values in annotation layer (#13607)

src-ui/src/test/mocks/pdfjs-legacy-build-pdf.ts

@@ -19,6 +19,13 @@ export const GlobalWorkerOptions = {
   workerSrc: '',
 }
 
+export const AnnotationMode = {
+  DISABLE: 0,
+  ENABLE: 1,
+  ENABLE_FORMS: 2,
+  ENABLE_STORAGE: 3,
+}
+
 export const getDocument = (_src: unknown): PDFDocumentLoadingTask => {
   return new PDFDocumentLoadingTask(Promise.resolve(new PDFDocumentProxy()))
 }