fixed bug that an error is thrown if no name is proided to add dialog

Author: janniclas

client/src/app/dashboard/table-all/table-all.component.ts

@@ -135,10 +135,9 @@ export class TableAllComponent implements OnInit {
         });
 
         dialogRef.afterClosed().subscribe(dialogResult => {
-            if (dialogResult === 'CancelAdd') {
+            if (!dialogResult || dialogResult === 'CancelAdd') {
                 dialogRef.close();
             } else {
-                console.log('dialogResult', dialogResult);
                 this.apiService.postInstance(this.type, dialogResult.name).subscribe((result: Instance) => {
                     this.dataSource.data.push(result);
                 }, err => {