[BH-1389] Catch2 unit tests optimization

Removed redundant recompilation of catch2 main
resulted in over 20% speed up of unit tests compilation.

[BH-1125] Add file indexer

Add file indexer

[BH-1282] Fix bell power on when usb connected

attached dome switch as power (reboot) key when usb connected

[BH-1191] Alarm priorities

Enhanced alarm priorities handling

[BH-1259] Snooze time displayed incorrectly
while returning to the home screen

[BH-1263] Bottom message displayed when
editing alarm

Fixed ambiguous iterator use.

[EGD-8027] Disable USB device task

Disabling USB task to prevent BUSY errors during USB_DeviceCdcAcmSend().

[EGD-7877] Call errors while MTP file transfer

Enabled USB device task to handle USB requests outside IRQ handler

[EGD-7899] Keypad light settings fix

Fixed keypad light settings - removed always on option which had
serious impact on battery life time.

[EGD-7478] Fix torch backlight action

only torch short press refreshes backlight handler

[EGD-7900] Fix backlight behavior

Cumulated fixes for both screen and keypad light

[CP-845] Allow saving contact without a phone number via MC

Removed redundant check for empty number, while adding
a new contact through service-desktop.

Merge remote-tracking branch 'origin/stable'

[BH-1191] Alarm operations priorities

Implemented a very basic alarm operations priority.

[BH-1204] Fixed time format being incorrectly displayed
in background sounds app.

[BH-1030] Frontlight ramp

Frontlight ramp

[EGD-7919] Sim input popup interactions on back fix

Sim input popup interactions on back fix.

Merge remote-tracking branch 'origin/stable'

[BH-1140] Split statuses updates

Split statuses updates

[EGD-7947] Unified aproach for download_asset

Improved timing. Uses cached file for both json and direct
downloads if possible.
Improved logging. Clear information what's being downloaded.
Removed older script.

Merge remote-tracking branch 'origin/stable'

# Conflicts:
#	products/BellHybrid/apps/application-bell-settings/models/TimeUnitsModel.cpp

[EGD-7948] Extend log dumping

Log are now dumped:
* on system shutdown including hard faults and aborts
* every 5 minutes

Fixed some logs

[EGD-7973] Fixed luts file problem

Luts file was to big to download via api which limit is 1MB