message: docs(v5 migration): fix Root/View example
diff: ```diff
  - <SplitLayout>
  - <View popout={popout} modal={modal}>
  -- ...
  -- </View>
  -- </SplitLayout>
  + <SplitLayout popout={popout} modal={modal}>
  + <View>
  -+ ...
  -+ </View>
  -+ </SplitLayout>
  + ...
  + </View>
  + </SplitLayout>
  ```
  ### Alert
  