[EGD-6681] Enable low-power HCI

As tested, eHCILL works as normal one, so more power saving
is possible.

Tested functions:
- music player
- calls
- messages

[EGD-7223] Removed speed dial feature

The speed dial feature is not finished.
It is removed from the UI.

[EGD-7065] Phonebook edit contact style updates

Updated widgets margins. Updated used fonts. Updated focus
change bold on font, cursor position, underline bold. Added
line spacing support and cleaned underline properties.

[EGD-7225] Forwarding namecard via BT removed

Functionality removed from the UI because it isn't implemented.

[EGD-7226] Removed contacts blocking feature

Contacts blocking is not yet implemented.
Removed the feature from the UI.

[EGD-6776] Music Player All Songs Window

Full MVP design.
Removed redundant Empty Window.
Added play/pause/resume/stop control.

[EGD-7215] Connected Sim contact import with backends

Connected Sim contact import with cellular contact read
and DB contacts write.

[EGD-7203] Added extra space removal in Text draw line ending

Added extra space removal in Text draw line ending.
Fixed crash in Notes.

[EGD-7054] Changed the default focused app in the menu

The focused app on entering the menu for the first time is "contacts"

[EGD-7031] Remove pureflash dep from disk img

The generated disk image does not require pureflash to be created.

[EGD-7165] Stop playing music when leaving MP

When Music Player (MP) app is closed the currently played track should
be stopped so the music is no longer heard by user.

[EGD-7099] Fix text backspace long press

This commit fixes behavior of text field
when backspace is long pressed.

[EGD-7178] Update music assets

Add tags to music assets. Compress mp3 files with VBR profile.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[BH-678] Add TimeSetFmtSpinner widget

Added time set spinner widget with dynamic switching
between time formats(24/12H).

[CP-228] Force flushing of logs before getting log files

Moved flushing function to Logger class
Decreased flushing time to 2 min
Added EM event to request flushing from ServiceDesktop

[EGD-7219] Notifications from service audio

Notifications from service audio reworked.
Information about stop/pause state is distributed
to the system. Unnecessary logic removed.

[CP-434] Restore checksums.txt for legacy update

To keep legacy update operational,
it needs checksums.txt in update package.

[EGD-7227] Fix update package generation

Adjust paths in update image generation script to point to a new
sysroot.
Fix boot.bin file path to point to a new sysroot.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[EGD-7206] Fix audio profiles priorities

Audio profiles priorities should be set as stated below:
1. Jack
2. Bluetooth
3. Earspeaker.
Added UT's to cover those requirements.

[EGD-7031] Remove UT deps to the production image

Remove dependency to the production image by creating separate sysroot
for test assets alongside with a test image Test.img.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>