...

static/js/file-tree-actions.js

@@ -152,6 +152,7 @@ class FileTreeActions {
             
             const cleanup = () => {
                 dialog.remove();
+                document.querySelector('.modal-backdrop').remove();
                 document.body.classList.remove('modal-open');
             };
             
@@ -221,7 +222,7 @@ class FileTreeActions {
                         <button type="button" class="btn-close"></button>
                     </div>
                     <div class="modal-body">
-                        <input type="text" class="form-control" placeholder="${placeholder}" autofocus>
+                        <input type="text" class="form-control" value="${placeholder}" autofocus>
                     </div>
                     <div class="modal-footer">
                         <button type="button" class="btn btn-secondary">Cancel</button>