Fixed the indentation.

packages/app/src/stores/ui.tsx

@@ -73,30 +73,24 @@ const updateBodyClassesByEditorMode = (newEditorMode: EditorMode, isSidebar = fa
   switch (newEditorMode) {
     case EditorMode.View:
       [... document.getElementsByTagName('body')].forEach(element =>
-        element.classList.remove('on-edit', 'hackmd', 'editing-sidebar')
-      )
+      element.classList.remove('on-edit', 'hackmd', 'editing-sidebar'));
       break;
     case EditorMode.Editor:
       [... document.getElementsByTagName('body')].forEach(element =>
-        element.classList.add('on-edit', 'builtin-editor')
-      );
+      element.classList.add('on-edit', 'builtin-editor'));
       [... document.getElementsByTagName('body')].forEach(element =>
-        element.classList.remove('hackmd')
-      )
+      element.classList.remove('hackmd'));
       // editing /Sidebar
       if (isSidebar) {
         [... document.getElementsByTagName('body')].forEach(element =>
-          element.classList.add('editing-sidebar')
-        )
+        element.classList.add('editing-sidebar'));
       }
       break;
     case EditorMode.HackMD:
       [... document.getElementsByTagName('body')].forEach(element =>
-        element.classList.add('on-edit', 'hackmd')
-      );
+      element.classList.add('on-edit', 'hackmd'));
       [... document.getElementsByTagName('body')].forEach(element =>
-        element.classList.remove('builtin-editor', 'editing-sidebar')
-      )
+      element.classList.remove('builtin-editor', 'editing-sidebar'));
       break;
   }
 };