Optimize using of strings for the Entry Widget

[AndriiHorishniiMOC]

MOB-3753

What was solved?
Optimized use of strings for the Entry Widget:

• Removed computed properties for title, subtitle, and hint from the MediaTypeItem.
• Added properties for the title, subtitle, and hint for each media type to the Entry Widget Style structures.
• Added functions that return the title, subtitle, and hint for the MediaTypeItem.
• Functions from the Entry Widget Style structures in the EntryWidgetView were used to display strings.

Release notes:

• Feature
• Ignore
• Release notes (Is it clear from the description here?)
• Migration guide (If changes are needed for integrator already using the SDK - what needs to be communicated? Add underneath please)

Additional info:

• Is the feature sufficiently tested? All tests fixed? Necessary unit, acceptance, snapshots added? Check that at least new public classes & methods are covered with unit tests
• Did you add logging beneficial for troubleshooting of customer issues?
• Did you add new logging? We would like the logging between platforms to be similar. Refer to Logging from iOS SDKs → Things to consider for newly added logs in Confluence for more information.

Screenshots:

[igorkravchenko]

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