Remove common module, add friendy name editing, add enum options editing, fix list option warning

src/app/file-tree/file-tree.component.ts

@@ -1,5 +1,4 @@
 import { FlatTreeControl } from '@angular/cdk/tree';
-import { CommonModule } from '@angular/common';
 import {
   Component,
   ElementRef,
@@ -40,7 +39,7 @@ const collator = new Intl.Collator(undefined, { numeric: true });
 
 @Component({
   selector: 'app-file-tree',
-  imports: [CommonModule, MatButtonModule, MatIconModule, MatTreeModule],
+  imports: [MatButtonModule, MatIconModule, MatTreeModule],
   templateUrl: './file-tree.component.html',
   styleUrl: './file-tree.component.scss',
 })