Add drag and drop

src/pages/EventCreatePage/EventCreatePage.tsx

@@ -113,6 +113,11 @@ class EventCreatePage extends React.Component<EventCreatePageProps, EventCreateP
   onChange = (data) => {
     this.setState({
       formData: data.formData,
+    });
+  }
+
+  onFocus = () => {
+    this.setState({
       statusMessage: null,
     });
   }
@@ -220,7 +225,8 @@ class EventCreatePage extends React.Component<EventCreatePageProps, EventCreateP
               widgets={widgets}
               onChange={this.onChange}
               onSubmit={this.onSubmit}
-              onError={this.onError} />
+              onError={this.onError}
+              onFocus={this.onFocus} />
         { error && <div className="error">{error}</div> }
       </div>
     );