FIX #15833 TIME 0:10 fix angular2-signaturepad version

package.json

@@ -55,7 +55,7 @@
     "@types/jquery": "^3.5.5",
     "@types/node": "^13.13.39",
     "angular2-draggable": "^2.3.2",
-    "angular2-signaturepad": "2.11.0",
+    "angular2-signaturepad": "^3.0.4",
     "codelyzer": "^5.1.2",
     "exif-js": "^2.3.0",
     "hammerjs": "^2.0.8",

src/frontend/app/pad/pad.component.ts

 import { Component, ViewChild, Output, EventEmitter } from '@angular/core';
-import { SignaturePad } from 'angular2-signaturepad/signature-pad';
+import { SignaturePad } from 'angular2-signaturepad';
 import { Observable } from 'rxjs';
 import { SignaturesContentService } from '../service/signatures.service';
 import { HttpClient } from '@angular/common/http';