fix(editor): clear editor state on component mount

Author: landonreed

lib/editor/components/GtfsEditor.js

@@ -60,6 +60,11 @@ export default class GtfsEditor extends Component {
   }
 
   componentWillMount () {
+    // Wipe any leftover state that may exist for other feed sources in editor.
+    // NOTE: Clear GTFS content happens outside of onComponentMount function so
+    // that it is only ever called on mount (onComponentMount is called after
+    // a successful snapshot/import when starting from scratch).
+    this.props.clearGtfsContent()
     this.props.onComponentMount(this.props)
   }