Fix CSS import

builder/style.css

@@ -5,12 +5,12 @@
 
 /* TODO: check is the the extension package can be used directly */
 @import url('~@jupyterlab/completer/style/index.css');
+@import url('~@jupyterlab/fileeditor/style/index.css');
 @import url('~@jupyterlab/tooltip/style/index.css');
 @import url('~@jupyterlab/running/style/index.css');
 
 @import url('~@jupyterlab/codemirror-extension/style/index.css');
 @import url('~@jupyterlab/docmanager-extension/style/index.css');
-@import url('~@jupyterlab/fileeditor-extension/style/index.css');
 @import url('~@jupyterlab/mainmenu-extension/style/index.css');
 @import url('~@jupyterlab/notebook-extension/style/index.css');
 @import url('~@jupyterlab/rendermime-extension/style/index.css');

packages/application-extension/style/base.css

@@ -9,6 +9,7 @@
   flex-shrink: 1;
 }
 
+/* TODO: move to edit-extension */
 .jp-Document {
   height: 100%;
 }