Fix use of FileUploader

Author: grossmj

src/app/components/project-map/new-template-dialog/new-template-dialog.component.ts

@@ -143,7 +143,7 @@ export class NewTemplateDialogComponent implements OnInit {
       this.qemuBinaries = binaries;
     });
 
-    this.uploader = new FileUploader({});
+    this.uploader = new FileUploader({url: ''});
     this.uploader.onAfterAddingFile = (file) => {
       file.withCredentials = false;
     };
@@ -162,7 +162,7 @@ export class NewTemplateDialogComponent implements OnInit {
       this.getAppliance(item.url);
     };
 
-    this.uploaderImage = new FileUploader({});
+    this.uploaderImage = new FileUploader({url: ''});
     this.uploaderImage.onAfterAddingFile = (file) => {
       file.withCredentials = false;
     };