[EGD-7423] Fix for _exit() not included in binary

Looks like recent cmake changes introduced this issue.
For some reason overwritten _exit() function was not included in
binary

[BH-1094] Fix bedtime confirmation window

Remove BellFinishedCallbackWindow class
Add ability to return to the previous app in BellFinishedWindow

[BH-1048] Fix bedtime popup text size

Adjust size of the text on bedtime notification view

[EGD-7912] Add signing update package SHA

To fully operate on signed packages we have to sign checksum

[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-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"

[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

[BH-1071] Latch detect on startup

Added latch pressed detection

[BH-1101] Alarm Tones start with second tone

Changed order of alarm tones to start with first tone from the list

[BH-1124] Alarm changes outside homescreen

Alaram changes outside homescreen

[EGD-7895] Enabled Nick Lewis songs for the release

Only 4 songs were enabled before.

[BH-1053] Battery status window

Added battery status window accessible
from home screen.

Added battery charge level translator.