[MOS-770] Replace VoLTE state switching mechanism

Introduced the new implementation.

[MOS-770] Replace VoLTE state switching mechanism

Thrown out the previous implementation.

[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-242] Fix windows flow after PIN mistakes

After too many PIN mistakes during a PIN change,
the user saw distorted windows instead of a PUK
request. Now, this has been fixed.

Also, a typo in a translation has been corrected.

[MOS-738] Fix receiving an empty SMS message

Checking how many parts the modem sent
and then catching an exception in case of an error.

[MOS-395] Fix issue with inability to send SMS

Get rid of unnecessary separators which can be
problematic for cellular modem. Add modem soft
reset if send SMS message will fail.

[MOS-504] Mixed SMS messages

Refactor the old part of SMS handler and
parse the concatenated messages using
std::unordered_map and std::map. Added
unittest to the SMS parser.

[MOS-259][MOS-602] Fix no calllog entries in DND mode

Fixed no calllog entries in DND mode, which were caused
by not starting the call in DB interface, so no entry was created.

Moreover, small optimizing of the DND handling.

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

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

[MOS-101] Parse MMS notification and show [MMS] in message thread

The `[MMS]` notification is shown in message thread of the correct
number

- Add PDU WAP Push MMS Notification parser
- Use it in ServiceCellular to parse the raw message
- Refactor hexToBytes and bytesToHex utils
- Add endsWith util
- Add unit tests

[MOS-665] Fix incorrect outgoing call duration

Fix of the issue that cancelled or rejected
outgoing call had improper duration in
calllog.

[MOS-667] Fix loudspeaker switching

Added missing state in call state
machine, required to switch call
sound to loudspeaker before the
call has been answered or rejected.

[MOS-612] Fix typos about incoming calls

Ditto

[MOS-514] Fix crash on entering PIN settings

Fix of the issue that entering 'PIN settings'
window before SIM card was ready caused
the crash of the system.

[MOS-559] Fix phone unlock after mode change

Correction of the previous fix addressing this issue.
Previous idea didn't work when popup tried to
display in application other than ApplicationDesktop

[MOS-298] HALize ServiceEink

Add HAL to ServiceEink
Remove dead code from Linux eink substitute
Fix LUTS.bin refresh problems on simulator

[MOS-559] Fix unlock when phone started not in Connected mode

Fix of the issue that when phone was started in
mode different than Connected, next mode changed
resulted in bypassing of the lock.

[MOS-560] Parameter calibration for URC pooling mode

In reporting mode, if we receive more than 4 URCs in the last 15
minutes, we will switch to the pooling mode immediately

[MOS-556] Fix call rejection in DND

Calls from a favorite contact for enabled notifications
were rejected.

[MOS-463] Unify cellular namespace

Unified cellular namespace, fixed test buildiing,
removed some unused includes