fix(editor): reset edit state after not saving content (#8474)

Refs #8461

Author: igophper

frontend/src/views/host/file-management/code-editor/index.vue

@@ -328,6 +328,7 @@ const handleClose = () => {
                 saveContent();
             })
             .finally(() => {
+                isEdit.value = false;
                 closeEditor();
             });
     } else {