[MOS-791] Introduce tri-state switch widget

Refactored the code so that it's prepared for the new logic.

[BH-1557] Change Harmony home screen font to bigger one

Fix AM/PM font on one of the home screens, change it to normal size/

Fix type of FontInfo members representing spacings, chane them to signed
integers.

[MOS-26] Add tethering info on status bar

When tethering is on, info appears in the status bar
and network coverage indicates "no connection"

[MOS-350] Restored notifications about PIN changes

Made SimInfo pop-ups completely omitted when
going back to windows.

Fixed the SimUnlockInputRequestParams's
constructor.

Done a bit of refactor in the places of
interest, e.g. naming clarification.

[MOS-769] Make a destructor virtual

Make Make gui::popup::Filter's destructor
virtual because it has a virtual method.

Additionally, added a documenting comment.

[MOS-758] Fixed locked password wallpaper behavior

Fix of the issue that when quotes or logo
wallpapers were selected, clock displayed
after entering wrong password thrice
always showed 0:00.

[MOS-640] Change windows flow in SIM settings

Made SIM cards settings windows switching more robust

[MOS-350] Revert partially

The cleanup part (logs, translation) is
preserved. The main logic is reverted.

[BH-1542] Stabilize the clock position

Added leading zero when displaying
1-digit number.

[MOS-731] Windows switching log clear in meaning

The log is now self-explanatory.

[MOS-666] Fix disappearing setting bars in German

Fix of the issue that with German language
selected manual volume setting bar and
vibration volume setting bar would
disappear when focused.

[MOS-350] Fix some SIM card pop-ups not showing

Also: enhanced a log, improved the English translations.

[MOS-718] Fix part of SIM unlocking

Fixed a potential bug in message handling,
refactored unclear naming and logic there
and in some other places.

[MOS-714] Fix passcode lock time discrepancy

Fix of the issue that passcode lock time
wasn't updating on 'Wrong passcode' popup,
what led to discrepancy of the time
between lock screen and the popup.

[BH-1563] Date UX improvements

Switched to YYYY/MM/DD format.

[MOS-685] Make small improvements in various places of the code

- Forward arguments
- Remove unused code
- Remove auto return type when it's not needed
- Add const to member functions
- Use startsWith and endsWith from utils
- Allow instantiation of operators only for specific types
- Caluclate key mask in compile time

[BH-1515] Revert bedtime changes

Due to many regressions these changes
introduced, we decided to revert them.

The old PR will be used as a foundation for
another fix attempt(probably including major
refactor of the alarm operations module).

[BH-1543] I want to set a date

*DateSetSpinner and DateSetListItem added (based od TimeSetSpinner and
TimeSetListItem)
*BellSideListItem ctor without title added
*TimeUnitsModel changed to more accurate DateTimeUnitsModel name

[MOS-670] Change clang-format AlwaysBreakTemplateDeclarations to Yes

Add --all and --fix-all options to style-check-hook

[MOS-647][MOS-671] BT volume control fixes

Set of fixes for Bluetooth volume control issues:

* split OS volume from A2DP device volume;
* added translations for additional popup required
to indicate what volume is being set;
* fixed issue that on some devices setting the lowest
volume level would set the highest in reality;
* fixed Bluetooth auto-turnoff functionality;
* minor code cleanup.