COMPASS-2241: Don't resize non-existant schema (#1281)

Author: durran

src/internal-plugins/home/lib/component/home.jsx

@@ -72,7 +72,9 @@ class Home extends React.Component {
 
   collapseSidebar() {
     this.setState({ collapsed: !this.state.collapsed });
-    setTimeout(this.SchemaActions.resizeMiniCharts, COMPASS_SIDEBAR_TRANSITION_TIME_MS);
+    if (this.SchemaActions) {
+      setTimeout(this.SchemaActions.resizeMiniCharts, COMPASS_SIDEBAR_TRANSITION_TIME_MS);
+    }
 
     // Probably would prefer an onChartsActivated lifecycle method here...
     const ChartActions = app.appRegistry.getAction('Chart.Actions');