lasta chnages

package.json

@@ -97,6 +97,7 @@
     "angular-cropperjs": "^0.1.5",
     "angular-svg-icon": "^12.0.0",
     "angular-tag-cloud-module": "^5.2.2",
+    "base64-js": "^1.5.1",
     "bootstrap": "^4.5.0",
     "build": "0.1.4",
     "capacitor-voice-recorder": "^2.0.0",
@@ -133,7 +134,7 @@
     "lite-server": "^2.6.1",
     "moment": "^2.29.1",
     "ng-lazyload-image": "^9.1.2",
-    "ng2-pdf-viewer": "^7.0.1",
+    "ng2-pdf-viewer": "^3.0.8",
     "ngx-cookie-service": "^12.0.3",
     "ngx-image-compress": "^11.0.3",
     "ngx-image-cropper": "^5.0.1",