missed layout commit

Author: lawson89

sierra-tools/previewer/src/main/resources/org/httprpc/sierra/tools/previewer/MainFrame.xml

@@ -22,7 +22,7 @@
     </menu-bar>
 
     <split-pane name="splitPane" resizeWeight="0.5" weight="1">
-        <scroll-pane name="editorScrollPane" weight="1"/>
+        <label text="Code editor will replace this at runtime"/>
         <column-panel name="previewPanel" padding="5, 5, 5, 5" weight="1"/>
     </split-pane>