Merge pull request #4687 from matrix-org/travis/split-left-panel

Split the left panel into new and old for new room list designs

res/css/structures/_LeftPanel.scss

@@ -23,6 +23,14 @@ limitations under the License.
     flex: 0 0 auto;
 }
 
+// TODO: Remove temporary indicator of new room list implementation.
+// This border is meant to visually distinguish between the two components when the
+// user has turned on the new room list implementation, at least until the designs
+// themselves give it away.
+.mx_LeftPanel2 .mx_LeftPanel {
+    border-left: 5px #e26dff solid;
+}
+
 .mx_LeftPanel_container.collapsed {
     min-width: unset;
     /* Collapsed LeftPanel 50px */