[BH-1648] Add shortcuts instruction to settings

The user should be able to return to the shortcuts instruction at any
time. The instructions are available in the settings.

[BH-1817] Fix alarm when the onboarding is active

The alarm shouldn't activate itself when
the onboarding is in progress. So now we check
the onboarding status before checking alarms.

Increased size of the onboarding application stack.
This should resolve the issue when somehow, the alarm is set
but there is no stack that causes the application to crash.

[MOS-1056] Hide the SOS label when the modem is not ready during onboarding

Hide the SOS label during onboarding when the modem is not ready for an emergency call.

[BH-1814] Fix eink errors in logs

According to the newest fsl library the LPSPI_Reset function
shouldn't be invoked in LPSPI_MasterInit function.
As a result, the LPSPI module can't work after calling this API.

If the display returns the error the driver could invoke
EinkPowerDown function recursively which causes a 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.

[BH-1787][BH-1802] Bump Harmony Ecoboot version

Ecoboot version changed from 2.0.5 to 2.0.6.

[MOS-1052] Change VoLTE label from 'beta' to 'experimental'

Changed VoLTE label from 'beta' to
'experimental'.
Fixed transition state label font
size to match the design.

[BH-1696] Charging notifications improvements

Fixes and improvements for charging notifications

[MOS-1051] Updated HNI codes for VoLTE support

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

[MOS-896] Update low battery screen view

Updated low battery screen view by adding
info windows appearing when trying to
interact with phone having critical
charge level.

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

Adding notifications when charger is connected

[BH-000] Update changelog for 2.2.1

Update Harmony's changelog after releasing MuditaOS 2.2.1.

[MOS-498] Change input language with the change of the system language

Now when the user changes the system language, the input/keyboard language
will change automatically (in the background).
If the user changes the input/keyboard language, this will not change
the system language.

[MOS-644] Displaying number entered on the keypad during a call

Now, on the active call screen, the user can see the numbers provided during the call,
which is useful when, for example, the user calls a call center.

[BH-1791] Add CPU frequency lock during log dump

This will improve security and peripheral stabilization when downloading
logs to a file.

[BH-1801] Fix incorrect calculation of requested CPU frequency

Sometimes when the frequency is locked, e.g. at 132 MHz, the algorithm
still calculated a lower frequency, e.g. 66 MHz.

[MOS-996] Disable MTP protocol

Disable MTP file transfer protocol.

[MOS-1042] Fixed inability to save a contact that did not previously have a phone number

Fixed inability to save a contact without a phone number
when contact lose the number after replace similar number and
visibility of the SAVE button when editing/creating a contact.

[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.