[EGD-7996] Prevent crashdump recursion from ISR

Calling abort() or exit() from the interrupt context
causes that the phone enters into bootloop, because
in the exception mode ISR cannot be used.
We are add guards for prevent clean system shudown
when abort is called from the ISR context.

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

[EGD-7478] Fix torch backlight action

only torch short press refreshes backlight handler

[EGD-7881] Fix stat syscalls in the VFS

Fix and unifying the stat() syscall in the VFS.
Fix the ftruncate() syscalls in the FAT and VFS.

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

[EGD-7900] Fix backlight behavior

Cumulated fixes for both screen and keypad light

[EGD-7960] Fix of concurrent alarms handling

fixed the processing of alarms set to the same time
also taking into account concurrent snoozes

[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.

[EGD-7874] Fix no disconnect after unpair

When user tried to unpair connected device, the device was not
disconnecting. Now it's fixed

[EGD-7920] GUI fixes after deleting/add contact

After deleting/add a contact from the calllog, sms options,
and sms thread options, we return to the start screen
of the current application

Merge remote-tracking branch 'origin/stable'

[EGD-7987] Closing window refactor

Closing window refactor.

[CP-813] Fix issues with adding contacts via Mudita Center

There was an issue, when contact with a specific number was added,
then removed and added again via Mudita Center. Then
it was displayed without a name. This issue was caused by
another known issue with temporary contacts handling (EGD-79473).
This fix is a workaround to make adding contacts via MC work,
without the need to refactor temporary contacts handling.

[BH-1181] Change Onboarding Default Time

Default Time during Onboarding must be 12:00AM

[BH-1213] Fix meditation end window timeout

Set meditation end window timeout to 5s
5s captures entire length of gong audio

[BH-1185] Proper handling of snooze on/off

Fixed bug causing snooze on/off settings not being
handled properly.

Snooze indicator update.

[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-1174] Fix frontlight when alarm

Display frontlight only when enabled in settings

[BH-1217] Fix library app font

Make bottom description font light (not bold)

[BH-1221] Update UI elements

Update Bell UI elements

[BH-955] Fix onClose when popup displayed

no action on onClose when switched to popup window

[EGD-7909] Fixed phone mode switching

Service cellular is holding minimum cpu frequency during
phone mode switch.