fix: let calculator overlap toolbar when horizontal
Description
When the system display text size is too large, the result and formula are hidden "behind" the toolbar in horizontal mode.
Screenshots
Screenshots with custom colors to see the different elements.
With default settings
Before:
After:
Tests
- Tested whether the toolbar could still be clicked as expected.
Issues
The problem exists both in a14 and a15. This merge request handles a15 https://gitlab.e.foundation/e/backlog/-/issues/8609