Fix double-click for files

Author: martinRenou

src/unfold.ts

@@ -210,8 +210,12 @@ export class DirTreeListing extends DirListing {
   private async _eventDblClick(event: MouseEvent): Promise<void> {
     const entry = this.modelForClick(event);
 
-    if (entry?.type === 'directory' && !this._singleClickToUnfold) {
-      this.model.toggle(entry.path);
+    if (entry?.type === 'directory') {
+      if (!this._singleClickToUnfold) {
+        this.model.toggle(entry.path);
+      }
+    } else {
+      super.handleEvent(event);
     }
   }