[BH-792] Temp format list item

Added temperature unit/scale ListItem to
the Time&Units application and integrated it
with temperature unit model.

[BH-626] Home screen

Added home screen GUI and corresponding  logic

[BH-783] Add big version of GT Pressura font

GT Pressura regular font 190 size is needed in Bell.

Fix transparent backgrounds in PlantUML

Images generated using PlantUML had transparent backgrounds which made
their text difficult to read on GitHub when using "Dark Mode". Forcing
a background color of #F0F0F0 ensures they are all readable.

[BH-733] Cleanup target dependencies

Remove obsolete target dependencies across modules.
Remove 'cross' and 'unittests' targets.
Refactor some remaining target dependencies to use board include macro.

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

[BH-701] Use TimeSetFmtSpinner in Alarm app

Fix default font issue

[BH-701] Use TimeSetFmtSpinner in Alarm app

Use TimeSetFmtSpinner in Alarm app

[BH-723] Added ThreeBox and BellBaseLayout

Added ThreeBox template layout type. Applied it to Pure header.
Created BellBaseLayout for most of Bell windows. Modified
SideListView to proper handle new layout with page bar on/off.

[BH-708] Time and units 

Added missing views/windows.
From now home screen properly displays current time.

[EGD-7065] Phonebook Edit Contact small style update

Phonebook Edit Contact small style update.

[EGD-7065] Phonebook edit contact style updates

Updated widgets margins. Updated used fonts. Updated focus
change bold on font, cursor position, underline bold. Added
line spacing support and cleaned underline properties.

[EGD-7215] Connected Sim contact import with backends

Connected Sim contact import with cellular contact read
and DB contacts write.

[EGD-7203] Added extra space removal in Text draw line ending

Added extra space removal in Text draw line ending.
Fixed crash in Notes.

[EGD-7099] Fix text backspace long press

This commit fixes behavior of text field
when backspace is long pressed.

[BH-678] Add TimeSetFmtSpinner widget

Added time set spinner widget with dynamic switching
between time formats(24/12H).

[EGD-7031] Remove UT deps to the production image

Remove dependency to the production image by creating separate sysroot
for test assets alongside with a test image Test.img.

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

[BH-564] Time&Units scaling fix

Fix scaling in Time&Units

[EGD-7211] Sim contacts import selector UI part

Added sim contacts import selector UI part.
Fixed BoxLayout focusChangedCallback. Fixed
SetFont redraw. Refactored Check and
CheckWithLabel widgets.

[BH-675] Add TextSpinner

Added TextSpinner widget

[BH-564] Add Time&Units application

Add first version of Time&Units application (just setting time)
Remove spinner demo application