WIP:
- Added new global scripts folder `global_shared` where global hooks, names and steps will be stored.
- Created new `suite_onboarding` and moved existing test case related to it as a poc.
- Updated all `test.py` files to use global files and fit the new structure.
`tst_languageSettings`:
- Feature and basic scenarios definition: Change language by selection and change language by search.
- Added `StatusLanguageScreen` class and related methods to change and validate language.
`SquishDriver`:
- Added support to scroll at a specific list view index.
- Added support to directly type into a focused element.
`settings_names.py`:
- Added support for object names related to `side bar` options.
- Unified some nomenclature related to settings objects.
`LanguageView`:
- Updated to allow registering the change on Linux before the restart popup is shown so the language test can work.
Closes#6903