[EGD-5620] Increase configTOTAL_HEAP_SIZE for linux

configTOTAL_HEAP_SIZE was set too small for linux build

[EGD-4763] Add documentation on how to add unit tests

Short document about how to add, enable and disable unit test.

[EGD-4763] Add check if all Unit Tests where run

Catch2 doesn't report some errors in test, and some test are
disabled on porpoise this commit adds set of scripts and changes to CI
that will clearly mark what test haven't been run.

[EGD-5317] Unittest for module-db fixed

Coding style fixed.

[EGD-5317] UT for module-db solved

Copyrights updated.

[EGD-5317] Module-db UT solved

Vfs init.
Convertion time string to unix time returns 1 hour later than should.
DatabaseInitializer stub that just creates empty dbs with table
structure but without data. Notification table initial records moved
to Database Initilize section. UT run with a stub of Database
Initialize - new test section introduced to test original
initializer: test-initializer.
Added missing data for contacts db to run the sorted list test
and test fix.

[EGD-5118] Unit tests for service-db solved

The rest of test (module-db) are solved in EGD-5317

[EGD-5118] Settings api tests dependencies updated

Temporary test for ASAN error.
Stub Database introduced to cut the connection SettingsAgent to
sqlite for UT.
Settings ut moved to other directory - new target.
File_indexer UT fixed.
Alarms, Notes and Query UT missing initialization of vfs.

[EGD-5119] Fix UT service desktop

Minor code changes to get service desktop unit test working.

[EGD-5115] Fix dangling ptrs in module-db tests

The dangling ptrs derefencing freed memory has been fixed.
They caused the tests to trigger the ASan. Additonally, in some tests
where DB objects were allocated dynamically, they are now allocated
automatically on the stack to simplify the code.

[EGD-4763] Fix Unit Tests - db unittest

Fix reqired by CI to work

[EGD-4763] Add VFS to gui fontmanager mock

Fix test in gui fontmanager.

[EGD-4763] Fix Unit Tests

First attempt, move vfs to be init in tests

[EGD-5622] Updated harness readme

Readme updated after meeting - conclusions from questions

[EGD-5045] Change call flow handling for lock screen

Call requests on lock screen have to be handled
separately to allow only emergency and ICE numbers.

[EGD-4822] Add color test window to settings app

Add new window to allow convenient display and globally
change used color intensities  for design and testing purposes.
Changes were introduced to Renderer as well as GUI service
to allow global change of used color scheme.
When using list, screen is deep refreshed each
time the color is changed.
Known issues:
Item focus borders (top,bottom) with changed black intensity
may not render properly, however it doesn't obscure the
target functionality.

[EGD-5377] Add USB charger detection

Added USB stack support for detecting connected charger
Added i.MX RT 1051 HW configuration
Added notification to EventManager for detected charger

[EGD-5517] Add MMI custom response window

Add MMI custom response windows for:
Call barring
Call waiting
CLIP
CLIR
IMEI

[EGD-5333] Change renderer to follow command design pattern

Changes draw command implementation to properly follow
command design pattern. All drawing commands have been
moved to separate inheriting draw commands from renderer.

Other changes:
- New draw methods overloads have been added to pixel renderer.
 Now pixel rendering methods are in one class.
- Simplified draw commands naming.
- Changed variable naming in draw commands to be more verbose.
- Changed {x,y} pairs to Points where possible.

[EGD-5472] Bluetooth worker state machine

State machine POC implemented using SML library.