pdfjs worker changes and crop fix

src/main/resources/templates/sign.html

@@ -47,6 +47,7 @@ select#font-select, select#font-select option {
                                 if (file) {
                                 	originalFileName = file.name.replace(/\.[^/.]+$/, "");
                                     const pdfData = await file.arrayBuffer();
+                                    pdfjsLib.GlobalWorkerOptions.workerSrc = 'pdfjs/pdf.worker.js'
                                     const pdfDoc = await pdfjsLib.getDocument({ data: pdfData }).promise;
                                     await DraggableUtils.renderPage(pdfDoc, 0);