[EGD-5098] Fix and remove old vfs class

Fix and remove global vfs object remove all old data
included in the vfs.hpp class

[EGD-4927] Change new filesystem

Due to vfs deprecation there is need to remove all vfs calls from code. This PR covers module apps.

[EGD-4992] Add main Security screen

This commit implement only main Security screen.
Change passcode functionality will be implemented
in [EGD-4995].

[EGD-4869] Add bluetooth message status to application settings

This change demonstrates how to work with Bluetooth messages
in application settings windows.
Responses to bluetooth status messages are mocked because
settings storage and message handlers in Service Bluetooth
are not ready yet.

[EGD-4732] "All Operators" menu option is shown when "Operator auto-select" is off; the state is kept in db
[EGD-4732] Network menu items visibility / indentation

[EGD-4925] Change new filesystem handling implementation in module-gui. (#1193)

Due to vfs deprecation there is need to remove all vfs calls from code. This PR covers module gui. There are some modifications in other modules included which are necessary because of build system issues.

[EGD-3995] setup sim window prepared basing on the old settings (#913)

[EGD-3995] updated to new settings
[EGD-3995] sim switch using CellularServiceApi

Merge branch 'master' into stable

[EGD-4276] Add nightshift window - GUI (#1153)

[EGD-4276] Add time widget

[EGD-4276] Remove 24h mode, and add bottom bar temporary mode handling

[EGD-4276] Add get/set time methods to time widget class

[EGD-4276] Change tm to std::chrono

[EGD-4276] Cleanup and connect Nightshift window

[EGD-4276] Update changelog

Merge branch 'master' into stable

[EGD-4150] Change filename i18 to i18n (#1108)

Change filename of internationalization files from i18 to i18n.

I18n should stand for internationalization, not i18. That's why I changed in 'module-utils' name of the folder 'i18' and both .cpp and .hpp files to 'i18n'.

[EGD-4167] Add n display languages loaded from files (#1047)

[EGD-4153] Use actions instead explicit applications switch. (#1032)

Revert "[EGD-3572] SettingsTable exchanged to Settings::Settings (#968)" (#1035)

This reverts commit f11bc1f0d0120c04ee6f826f75c9e8a9f5894602.

Co-authored-by: Hubert Chrzaniuk <hubert.chrzaniuk@mudita.com>

[EGD-3572] SettingsTable exchanged to Settings::Settings (#968)

[EGD-3572] Application has an instance of Settings - removed from derived apps
[EGD-3572] review issues resolved
[EGD-3572] shared_ptr -> unique_ptr
[EGD-3572] Primary Key for settings_tab:path
[EGD-3572] empty values handling

Revert "[EGD-4344] vfs-utils refactor (#1010)" (#1027)

This reverts commit e6ca468d2c0a3d3f9a045c123ee901690e2b28a9.

[EGD-4344] vfs-utils refactor (#1010)

* [EGD-4344] removed vfs-utils.cpp and moved all the functions
to utils or eventStore

* [EGD-4344] removed vfs-utils.cpp and moved all the functions
to utils or eventStore

* [EGD-4344] moved methods to utils::filesystem

* Update module-utils/Utils.cpp

Co-authored-by: Piotr Tanski <piotr.tanski@mudita.com>

* Update module-utils/Utils.cpp

Co-authored-by: Piotr Tanski <piotr.tanski@mudita.com>

* Update module-utils/Utils.cpp

Co-authored-by: Piotr Tanski <piotr.tanski@mudita.com>

* [EGD-4344] test fixes, linux fixes, GUI fixes

* [EGD-4344] rebase fixes

* [EGD-4344] bugfixes for rt1051 and mutex support in EventStore

Co-authored-by: Piotr Tanski <piotr.tanski@mudita.com>

[EGD-4215] Convert service-bluetooth to library

[EGD-4214] Convert service audio to library

[EGD-4275] Add torch window frontend (#983)