[BH-1787] Reboot to MSC endpoint

To allow the automation of gathering logs and swapping out OS images during tests a MSC reboot
endpoint was added. Together with a change to ecoboot, this allows the sending of a "reboot to
MSC" command. The deivce will then reboot and enter MSC mode.

[MOS-1059] Erase only sensitive data from logs

Erase only sensitive data from logs.

[BH-1782] Add brightness fade in

* Added brightness fade in - feature
which allows for gradual frontlight
brightness rise during alarm and
power nap ringing instead of turning
on with full brightness immediately.
* Fixed possibility to close
ringing power nap by long press
of back button.

[BH-1830] Fix eink crash while refreshing

If the previous refresh failed the driver tried to add a new frame
in the front of the vector. In some cases, the updateFrames could
be empty, and adding a frame caused a system crash.

[MOS-220] Changed signal strength refresh mechanism

Modified signal strength update mechanism
to avoid unnecessary screen refreshes in
case new signal strength value is equal
to the previous one.
Minor cleanups.

[MOS-1051] Updated HNI codes for VoLTE support

Reviewed and updated HNI codes lists
for all countries with VoLTE support.

[BH-1696] Notification when connect the device to the charger

Adding notifications when charger is connected

[BH-1688] Create a standard for logs

* Adding document describing how to use logger
* Adjusting logs to follow a new guide
* Change order in log header:
  line number is now before function name

[MOS-1050] Add missing Germany HNI codes

Updated list of operators' HNI codes
in Germany, added missing ones.

[MOS-1046] Update module-services/service-cellular/call/doc/README.md

Typo in documentation module-services/service-cellular/call/doc/README.md
The state machine library is called `sml`, not `stm`.

[MOS-1047] Fix calling abort() in EnterNumberWindow

* Removed call to abort() method in case
EnterNumberWindow's SwitchData handler
receives message that can't be handled,
what caused the phone to crash.
* Unify ApplicationCall window names
definitions.
* Code cleanup.

[MOS-669] Add too hot battery notification when charging

* Added notification showing on the main
screen if the battery has reached too
high temperature to continue charging.
* Code cleanups.

[BH-1780] Fix uncaught std::filesystem::file_size exception

Fix of the issue that exceptions thrown
by file_size method were not caught
at all, what resulted in system crashing.

[MOS-1033] Add 'beta' label to VoLTE switch for selected countries

Added mechanism enabling to individually show
or hide "beta" label on VoLTE switch for each
country.

[BH-1774] Fix frequency lock during user activity

- Sentinel locks the frequency when pressing buttons and the encoder.
- The "user activity" sentinel will be properly managed by the system
(CpuGovernor) just like other sentinels.
- Adding information about active sentinels in the power management
statistics logs

[MOS-1038] Fix CPU frequency hanging after SMS received

Fix of the issue that in some cases (e.g. after
text message was received) ServiceAudio would
not release CPU sentinel, what resulted in
quick battery discharge.

[BH-1767] Fix the pre-revert issue inside ServiceGUI

Introducing states to ServiceGUI instead of using bool variables as
flagss.

[CP-2184] Fix Pure not connecting to MC after leaving tethering

Fix of the issue that after disconnecting tethering Pure
would not connect back to Center, only USB cable
reconnection would resolve the issue.

[MOS-1007] Fix for no popup when contact cannot be saved because of same nubers

Fix for fix. It add popup when user try to save contact witch practically
the same numners  (even if having a country code is only difference)

[BH-1761] Add a log when manual reset is performed

If the user performs a manual reset there is no information in
the logs. It can be treated as software resets.
So the best solution is to add a log about incoming
manual reset and dump all logs to the file.