Fix/modular toolbar add remove actions
Description
Actions can be added to the toolbar after toolbar is initialized. Toolbar actions can be add/show/hide/remove/change_color. Tests extended. Orientation of the toolbar can be horizontal or vertical.
Related Issues
relates to #415 (closed) #399 (closed) #357 (closed)
Type of Change
- add/show/hide/remove/change_color of toolbar actions
- tests extended
- orientation horizontal/vertical
Potential side effects
None
Additional Comments
Would be nice to merge after !370 (merged) (even though these two MRs are not linked it would make my life easier...)