[EGD-4734] Add PIN settings window

This window displays switch button for
disabling/enabling pin code for sim card.
Its also starting point for changing pin code.
Added actions for enabling and disabling
pin code for sim card.
Added method for checking if pin code is
set for sim card.

[EGD-5913] Fixed language assets fallback load

Fixed language assets fallback load bug causing invalid
information display on startup.

[EGD-6121] Add offline mode in service cellular

Adds entering and leaving ito offline mode in sevice
cellular. Outgoin SMS and calls are blocked Proper popups
are shown in applications Call and Messages.

[EGD-6066] Removed Message default constructor

Forced each message to have declared type as parts of Bus logic
depends on it and previously we encountered undefined
behaviours. Added tests and messages validators.

[EGD-6101] Add low battery start prevention

Device will be shutdown after
startup if SOC will be below
shutdown level

[EGD-5712] Volume popup added

There is need of popup window on volume key
pressed event. This PR handles:
Creating base popup window attached to
application desktop.
Creating volume window.
Audio key events logic implementation.

[EGD-6111] Timers refactored

Deep refactor of system timers.

[EGD-5932] Add more queries to Quotes agent

Added queries:
- list quotes from selected category,
- enable/disable category,
- enable/disable single quote,
- list enabled quotes,

Other fixes:
- move `msgHandled` and `msgNotHandled` to `Message.hpp`,
- use `typeid` in `QuotesAgent::registerMessages`,
- change `Quotes::Queries` style,
- make `quotesList` private

Queries to add in next PR:
- add/read/write quote

[EGD-5952] Changed service stack depths acc. to real usage

Stack depth changed for:
- Application Manager
- Service Bluetooth
- Bluetooth Worker
- Service Eink
- Service GUI
- Application Special Input

[EGD-5969] Add battery charging UI

Battery charging UI modified
according to design

[EGD-5304] Add new way of system close

Unified method of closing
the system orchestrated by
system manager

[EGD-5758] Restore auto locking timer in ApplicationManager

Restore auto-locking functionality

[EGD-5771] Create post update info window

Add post update info window.

[EGD-5204] Secure USB communication

Secure all endpoints by returning 403(Forbidden) when USB is connected.
Request screen passcode to enable secured endpoints.

[EGD-4157] Actions queue added

All actions shall be queued in order to process them later.

[EGD-5737] Merge master into experimental

Synchronize with master before merging

[EGD-5701] Added DOM dump to harness

* Added generic handler to developerMode
* Added DOM message handling

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master

[EGD-5737] Merge master into experimental

Keep experimental up to date with changes from master