120243: Fix dev compilation issues after upgrade

Author: AAwouters

src/app/shared/utils/file-size-pipe.ts

@@ -3,7 +3,7 @@ import {
   PipeTransform,
 } from '@angular/core';
 // eslint-disable-next-line import/no-namespace
-import * as fileSize from 'filesize';
+import fileSize from 'filesize';
 
 /*
  * Convert bytes into largest possible unit.

src/app/system-wide-alert/alert-form/system-wide-alert-form.component.ts

@@ -278,7 +278,7 @@ export class SystemWideAlertFormComponent implements OnInit {
           this.back();
         }
       } else {
-        this.notificationsService.error(this.translateService.get(`${messagePrefix}.error`, response.errorMessage));
+        this.notificationsService.error(this.translateService.get(`${messagePrefix}.error`));
       }
     });
   }