October Improvements 2/2

[phschaad]

• Adapt to new hierarchical CFGs of DaCe.
• Improve always-on interstate edge labels by still showing tooltips, improving their positioning to avoid overlaps, and making assignments clearer through the use of an arrow operator. Closes Make a more clear distinction between assignments and conditions on permanently visible isedge labels dace-vscode#242.
  Example:
  

[tbennun]

I approve in general but have a minor unicomment

[tbennun]

This feels like it may not be supported everywhere (encoding dependent). Is there a way of adding a \u code?

[phschaad]

I addressed it by adding proper multi-line support (i.e., printing individual labels for each line). Thank you for pointing this out - the method I chose is only supported by very few browsers and does not follow the fillText canvas API specifications.