Add by default editableCssRules to .svg style

[microbearlogist]

Hello Daw.io/Diagram.io team,,

Actually svg colors can be changed using Diagram.io (as long as the svg contain a style/css entry).

However this possibility is deactivated by default and "editableCssRules=.targeted_style" should be manually added to the style data of Diagram.io embeded .svg.

It would make more sense to have this useful feature activated by default (with "editableCssRules=.*" already in style beacon").
Then any .svg that has a css style will be directly editable.