[EGD-6701] System time usage fixes

Fixed all calls to stdlib time.
Removed all redundant calls to Timestamp treated as time source.

[EGD-6707] Add single number message notification

This PR provides implementation of home screen notification for
`notSeen` messages received from a single number. The "single-number:
`notSeen` message notification distinct from "multiple-number"
notification with the following features:
 - displaying formatted contact name
 - `onActivated` it switches to respective thread window (instead of
 all thread window) in `ApplicationMessages`

 The PR also introduced some `ActiveNotificationsModel` code refactor
 to align the implementation with `Single Responsibility Principle`

[EGD-3542] Fix issue with sending text messages form new message window

Fixed too short timeout for sending sms
Fixed flow for switching to thred window to asynchornous one
Fixed some minor issues connected to new sms error handling

[EGD-3109] Use more appropriate type instead of raw types

Position and Length used instead of raw ones

[EGD-5884] Added Lock Screen popup handling

Moved lock screen window to popup. Split DesktopMainWindow into
two parts (popup and regular). Added LockPhoneHandler into
ApplicationManager.

[EGD-3119] Hide InputEvent's member fields

Use the InputEvent's convenience methods to express intent.

[EGD-6527] Internationalization API unification

Single api to rule i18n
all calls to localistaion in cpp files unified
cut off ass many dependencies in i18n header as possible

[EGD-6555] ListView constants move

ListView constants moved from style to ListView.hpp.

[EGD-6371] Do not reset input mode on SMS thread focus gain

Reseting input mode on focus gain resulted in a race between the focus
gain handler and the user pressing the asterisk button.

[EGD-6494] Application Manager on action switch fix

Application Manager switch on Action no longer causes to
newly opened application main window switch but it
calls declared action handler.

[EGD-6347] Refactored phone modes handling in applications

PhoneModeObserver doesn't work properly in applications.
Applications have to handle the phone mode changes via AppMgr.
Phone mode and tethering handlers separated.

[EGD-6485] ServiceDB cleanup

Remove old unused ServiceDB API and deprecate its remains still being
in use.

[EGD-6208] Add blocking phone mode changes during tethering

When the tethering is enabled, the phone mode shouldn't change,
now, any attempt ends with a notification

[EGD-6209] Tethering confirmation popup added

Provided a tethering confirmation popup.
The popup shows up once a USB cable is connected to a PC.

[EGD-6121] Add offline mode in service cellular

Adds entering and leaving ito offline mode in sevice
cellular. Outgoin SMS and calls are blocked Proper popups
are shown in applications Call and Messages.

[EGD-5743] Added phone modes popup

Implementation of phone modes window.
Minor fixes of previous approach.

[EGD-5449] Add final prompts windows

Added Dialog windows for "configuration successful"
"no configuration" and "update OS" for Onboarding.
Refactor Dialog window implementation and usage of
DialogMetadata in other applications.

[EGD-6004] Change application messages stack size to 6kB

Tests done for over 100 threads and 1000 messages in overall
Stack size during tests didn't go over 5kb

[EGD-5883] Added generic button popups attach to applications

Created structure and implementation for popup windows
attachments on button actions into applications. Moved Volume
window to fit into solution. BarGraph refactored.

[EGD-5059] Fix SMS thread UX issues

This PR correct following global UX issues that were noticed in SMS
threads:
- invalid Nav-bar margins (30px instead of 20px)
- invalid NAv-bar hight (54px instead of 50 px)
This PR corrects following SMS threads UX issues:
- invalid inputText's left margin (10px instead of 0px)