set calibration tab as default as PeTrack launches
Up to now the default tab was only set through the ui files and probably accidentally changed at some point. This MR explicitly sets the calibration tab as default in the constructor and tests it.
Reviewer Checklist
General code quality
-
naming conventions are met (see .clang-tidy for detailed information) -
no static analyzer warnings in new code parts (e.g., use clang-tidy for checking)
General usability
-
old versions of pet-files are still loadable -
documentation updated (if applicable)
Only if changes in UI
-
new elements are also saved and loaded from pet-file -
check if tab order is still correct -
all new SpinBoxes are promoted -
new keybindings added to Petrack::keyBindings()
Closes #535 (closed)