[CP-215] Expose current operator name in service desktop API

Get current operator name from cellular modem,
and expose it in service desktop API to let
Mudtia Center use it.

[EGD-7145] Fix mp3 tags fetch

Fixed problem with some mp3 files which wasn't available in the list
of tracks. Issue was occuring due to the large buffer allocation.

[CP-335] Fix formatting of SN

A serial number in the USB descriptor includes additional zeros 0
if it’s shorter than the placeholder space.

[EGD-7149] Fix connecting BT devices

Some devices were giving different results after querying for
Class of Device (CoD) and our filters were too restrictive.

Now filtering only take place at pairing, so every suitable
device can be connected

[EGD-7134] Network setting cleanup and fixes

Network setting cleanup. Added missing sim cards window.
Fixed option texts. Disabled not working options in UI.

[BH-381] Turned application call into lib

Defined separate cmake target, dependencies, private, and public
sources, cleaned up include paths

[EGD-5659] Cpu frequency for audio

Set CPU frequency level to the highest for audio tasks.

[EGD-7131] Flashing instruction updated

Flashing instruction for MacOS and Windows updated.

[EGD-6889] Fix Fixed network time handling

Fixed Network time handling. Automati Date and Time setting
is handled in service-cellular. Enabling and diasbling time
repotring is added.

[EGD-3171] Fix key shortRelease on app switch

Fix of shortRelease on app switch while long
press applied on previous window

[EGD-7036] Audio tracks updated

Music player audio tracks updated.

[CP-281] Block restoration of mock messages

During every power on Database initialization, each DB is populated
with mock data. Used PRAGMA application_id to indicate that DB is
initialized at first run.

[BH-655] Add SideListView

Add view commonly used in Bell - SideListView.

[EGD-7142] Fix compilation issues with __PRETTY_FUNCTION__

Fix compilation issues with __PRETTY_FUNCTION__ used in
logging functions

[CP-327] Fix UB in QueryResult

QueryResult iterator nextRow() may get into infinite loop.
Additionally, fixed handling of the case when each row of result
could have a different count of fields.

[EGD-5006] Add French localizations

Update localization keys to match the current ones from the English
json, and add some translations. Based on a previous patch by
mathieunicolas.

[EGD-7141] Fix GUI googletest

Fix invalidly added GUI gtest. Test dummies moved to individual files to
deal with a bug in cmake test discovery for gtest.

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

[BH-362] Move segger to a separate directory

Move segger to a separate directory

[EGD-7133] Bluetooth setting cleanup

Bluetooth setting cleanup.

[CP-325] Request reboot code adjusted to work with harness

We have no controll on UART over the device flushing, minimum code
added to assure that data could be flushed
We do not close services when these are closed with reason