some text improvments, consolidations and capitalization fixes

- change "AUTO" to "Automatic" in measure properties and also capitalize the other entries in that popup
- fix #36291: consolidate popup menus for line types and fix capitalization
- fix QComboBox items' capitalization in Debugger 
- fix QComboBox items' capitalization in Inspector
- fix some more QComboBox items' capitalization (in 'normal' MuseScore dialogs)
Single Sharps and Flats Only