[BH-1075] Add spanish and french

Adds spanish and french translations for Bell.

[EGD-7814] Phonebook contact details widgets have not localized names

Added localized flag names for contact details
Added missing localization to favourites contacts in contacts list view

[BH-1061] Onboarding GUI updates

Welcome screen update

[BH-1011] Language selection adjustments.
[BH-1046] Wrong time format while counting
down Snooze time.

[BH-1009] Change name of background sounds

[BH-1047] Alarm settings - copy change in settings
[BH-1052] Alarm activated/deactivated - copy change
[BH-1056] Functionalities names - updates
[BH-1062] Goodbye screen - update
[BH-1068] Copy change(auto turn instead of timer)

[BH-1078] Fix BGSounds bugs

The following commit fixes:
 * BH-1078 and BH-1082 issues that were caused by
the 30s-auto-main-screen return. The solution
is made in consistency with BellMain  application
(auto-return is turned off for selected windows).
 * BH-1080 wrong title issue: title for timer select
screen was updated in English.json.
 * BH-1079 minimal value for the backgroud sounds'
audio was changed from 0 to 1.

[BH-1036] Fix confirmation & welcome screens after factory reset

Fix confifmation & welcome screens after factory reset

[BH-999] Background Sounds Application UI Fixes

Fixed Background Sounds App UI according to specification

[EGD-7353] Application Messages String fixes

Application Messages String fixes.

[EGD-7736] Fix Play Pause labels

When doing sound preview label descirbing PLAY or PAUSE action depends
now on current context.

[BH-1012] Update frontlight settings app

Removed Home View from settings list(BH-1004)
Fixed default brightness value(BH-964)
Added missing Frontlight Mode view(BH-966)
Reworked frontlight settings app using NumListItems
and EvtMgr API to control screen backlight.
Fixed minor issues with side arrows and couple of minor
bugs.

[EGD-7304] Fixed Music Player icons

Music player play/pause icons in all songs window
replaced from grayscale to monochrome.

[EGD-7656] Fix implementation of the rich text tokens in phonebook

When creating contact with duplicated number,
the confirmation popup was showing incorrect information due to
incorrect fulfilling with contact data.

[BH-1021] Unify ListItem arrows behavior

From now min/max arrow indicators behave
the same throughout the GUI.

[EGD-7801] Fixed SMS replay/send behaviour

Fixed SMS replay/send behaviour.

[EGD-7798] Fix alarms backend with new format

New format of alarm time in database and processing

[BH-772] Use rich text instead of plain text

Use richText in BellSideListItem descriptions

[BH-772] Add bedtime reminder tone settings

Add bedtime tone and volume settings scenes
Add bedtime tone and volume support for notification

[EGD-7339] Correct preparation time unit

60s was displayed instead of 1m.

[EGD-7797] Change the way the text is displayed in Meditation app

Line break was placed incorrectly.

[EGD-7232] Music player track preview

Added track progress bar and track preview window.