[EGD-7938] Updated CONTRIBUTING.md

Added info about luts.bin

[EGD-7364] Disabled low power HCI

Low power HCI disabled due to the issues
with music playback on certain devices.

[EGD-7912] Add signing update package SHA

To fully operate on signed packages we have to sign checksum

[EGD-7910] Text directory cleanup

Text directory cleanup. Removed old unused assets
directories.

Merge remote-tracking branch 'origin/stable'

[EGD-7913] Fix offline info for message and call

Fixed info text when trying to send message or make a call.

[BH-1130] Fix user idle timeout

Change user idle timeout from 30s to 3 minutes

[EGD-7851] Clean Service Desktop initialization flag

Service Desktop initialization flag was never cleaned,
which caused double deinitialization of Service Desktop.

[EGD-7916] First name typo fixed for French

Was "Penom" previously, but should be "Prenom".

[EGD-7237] NavBar alignment fix

NavBar alignment fix.

[EGD-7912] Enable sign script for CI in CMake

Enabled possibility to sign boot.bin via CI scripts

[EGD-7911] Fixed French MUTE

Fixed French Mute translation

[EGD-7912] Enable sign script for CI in CMake

Enabled possibility to sign boot.bin via CI scripts

[EGD-7907] Fixed contact editing

A contact could be removed during update process.

[BH-947] Snooze Chime Volume Default Setting

Default value of Snooze Chime Volume set to "5"

Merge remote-tracking branch 'origin/stable'

[EGD-7861] Fixed MP track change flow

When next/prev track was played the screen was blinking with stopped
state for a short moment between last track is finished and before
current track is started.

[BH-1037] Fix alarm change sequence for linux

For alarm activation/deactivation
set valid key sequences for each platform

[EGD-7882] Fixed operator name request

Operator name request is sended only when modem is connected to
the network now. It was causing stucking in Onboarding sim
selecting window.

[BH-1071] Latch detect on startup

Added latch pressed detection