Diagram overlap state machine connector name

Transition label drawn outside diagram bounds

![image](https://user-images.githubusercontent.com/1711000/151292835-31675dd1-65ea-4161-8849-b95a50f2530b.png)

![image](https://user-images.githubusercontent.com/1711000/151292895-c9b1a766-36ff-49af-bfc1-671a196bc090.png)
