[EGD-7773] Post review code cleanup

as in status

[EGD-7773] Add popup drop possibility

Added popup drop possibility with custom callback onPop to comply
with Bell requirements

[EGD-7773] Fix Bell alarm popup handling

Workaround no longer needed

[EGD-7773] Popups stack poc

Stack plus minimum tests added
Updated to master
Removed useless or adressed TODOS
Constants name applied
Renamed searchModel to searchRequestModel
Review applied
We should remove legacy window names
Bell names fixes

[EGD-8144] PurePhone assets split mechanism

As we do not have artifactory etc. we download public assets from
public repository.

download_asset mechanism:
* added tar with unpack for releases on github
* download script create parent directory
* When there is no parent directory - then create it, not the file as
  dir
* Lessened logs status
* download release files for Pure works ok
* added option to load multiple elements from tar
* added option to load stuff from own PC

CMake fixes:
* Add option to not pass Luts.bin to the image
* Added dependencies:
    * Assets cmake
    * DiskImage
    * Generall: dependencies instead of runtime globals
    * Fixed UT for bell

Added description file to fownload files:
* Files downloaded from MuditaOSPublicAssets repository Bell
* PurePhone assets copied to build dir not to image dir
* Added test assets and bell assets
* Luts and test assets unpacked to right place
* Luts proper on img on phone

EGD-8066 sq

[EGD-8127] Add FreeRTOS return to main when scheduler exits

Add support to the FreeRTOS to be able to back to main
functon when the scheduler is terminated.

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-7860] Fix for call error flow

Make sure it is not possible to request a call twice.
Added new error windows for general call error and
no network connection.
Make sure there are no issues when call is requested
from external app e.g. from callog or phonebook.

Merge remote-tracking branch 'origin/stable'

[BH-1252] Alarm Activated Behaviour Change

Alarm Activated should not return to Alarm Set

[BH-1227] Frontlight On When Entering Settings

Frontlight has to be on when entering frontlight settings

[BH-1271] Icons on summary screens align vertical

Summary screens icons are aligned vertically

[BH-1283] Battery icon alignment

Battery icon aligned to the middle of screen

[BH-1251] Fix meditation app respawning

Prevent meditation app from spawning multiple instances

[EGD-7922] Added Permanent Frequency Setting

Added Permanent Frequency setting in Advanced Developer
Mode with simple set window.

[BH-1125] Add file indexer

Add file indexer

[BH-1277] Fix critical battery flow

Removed handling of critical battery level from bell's
home screen. From now on, battery SOC can drop to 1%
(battery notification will change from showing 1 bar to
crossed battery symbol upon reaching <5% SOC). If it drops
any further system shutdown procedure is invoked which results
in the device being turned off.

[BH-1248] Battery charger events handling

[BH-1249][BH-1248] Added handling of battery charger async
events to the home screen.
[BH-1276] Enter battery status from snooze active window.
[BH-1278] Proper latch state handling when in battery critical state.
Fixed various minor bugs spotted along the way.

[EGD-8015] Fix backlight timeout when locked

light will go out after 5 sec when phone is locked

[EGD-8013] Fix tethering popup show when no SIMCARD

Fix tethering mode popup show when no simcard
is selected. It'll works in the onBoarding and
normal mode

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

Merge remote-tracking branch 'origin/stable'