[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-686] Fix the accessibility of user files by MTP

User files accessible via MTP only if phone is unlocked

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

Also: enhanced a log, improved the English translations.

[MOS-424] Improvement of logger module

Due to losing bytes the logger has a worker
which is responsible for dumping logs to
the file. The logger also has its own timer
to dump logs every 15 minutes. EventManager
is not responsible for interval dumping logs
now.

[MOS-646] Bump updater version for Pure

Changed version of updater in downloaded
assets, version 1.5.4 has improved
logging functionality.

[CP-1560] MTP root path

Make MTP root path configurable.

[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.

[MOS-691] Fix memory leaks in APN settings

Replace objects created on heap with class members.

[MOS-677] Fix crash on importing unprocessable contact

Fix of the issue that phone crashed when trying
to import contact with phone number that couldn't
be parsed.
Additionally minor code cleanup.

[BH-1563] Date UX improvements

Switched to YYYY/MM/DD format.

[MOS-709] Added Polish translation to calendar

Added Polish translation to
a calendar title.

[BH-1550] Medstats translations

Updated meditation statistics translations.

[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

[MOS-692] Update slider after tethering is off

When tethering is on we can change the slider position,
however we can't change the slider mode. If we change
the slider position after tethering is off we need to update
the slider mode. Fix typo in Y register.

[MOS-91] Fix cellular DMA errors

Fix "DMA is busy" errors when booting the GSM modem at the stage of
finding the appropriate baudrate.

[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).

[MOS-662][MOS-301] Fix E-ink shutdown while restoring data

While restoring system data the timer can turn off power of E-ink
to save the power. To avoid this situation we need to power on
the E-ink before wiping out the display. The restore procedure
also performs reversing services list to close. In this case
we do it twice so the order is wrong.

[MOS-74] Fix wrong tethering popup order

Fix for tethering popup when charger is connected

[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