Make the brackets work for changing brush size - PhotoLab

[Wolfgang ([ Win11, PL9, FP7, VP5, Nik8 + 3.3 ])]

@IanS

in photo editors the bracket keys are the de-facto standard

suppose because they are easily to reach on us-layout style keyboard

• and otherwise awkward and very uncomfortable to handle
  e.g. < Alt Gr + [ ] >