[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-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-6433] Implement SIM PIN enable request

Implement SIM PIN enable/disable request
in PinLockHandler

[EGD-4736] Change PIN windows

Implement changing SIM PIN code flow

[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-4734] Add PIN settings window

This window displays switch button for
disabling/enabling pin code for sim card.
Its also starting point for changing pin code.
Added actions for enabling and disabling
pin code for sim card.
Added method for checking if pin code is
set for sim card.

[EGD-6283] Fix to slow Application Desktop start

ApplicationDesktop start was slowed down by two synchronous DB calls:
-get unread threads count
-get unread calls count
Both were replaced with asynch versions.

[EGD-6314] Phone mode widget visibility

Phone mode widget will be visible only on main screen, while entering
numbers or in emergency call mode. Also it will be disabled whenever NAT
widget is enabled.

[EGD-5744] Phone mode status bar widget

Added phone mode widget to top bar. The widget is mutually exclusive
with NAT widget. Phone mode is determined using phone mode observer.

[EGD-5743] Added phone modes popup

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

[EGD-6009] Test and repair Update process

Fixes to improve Update process.

[EGD-5932] Add more queries to Quotes agent

Added queries:
- list quotes from selected category,
- enable/disable category,
- enable/disable single quote,
- list enabled quotes,

Other fixes:
- move `msgHandled` and `msgNotHandled` to `Message.hpp`,
- use `typeid` in `QuotesAgent::registerMessages`,
- change `Quotes::Queries` style,
- make `quotesList` private

Queries to add in next PR:
- add/read/write quote

[EGD-5969] Add battery charging UI

Battery charging UI modified
according to design

[EGD-5304] Add new way of system close

Unified method of closing
the system orchestrated by
system manager

[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-5758] Restore auto locking timer in ApplicationManager

Restore auto-locking functionality

[EGD-5741] Change cellular DataReceiverHandle refactor

All messages have been moved to separate handlers.

[EGD-5771] Create post update info window

Add post update info window.

[EGD-5756] Add Update Window

Create Update Window(s) to control and visualize the MuditaOS update
process on Pure.