Improve profile selection options on UI

[EgorkaKulikov]

Description

Profile selection reduced to one text field on UI

It is disabled in NoConfiguration mode and allows to enter text otherwise.
Default text is shown depending on focus

Also fixes #2186

How to test

Automated tests

Not relevant

Manual tests

Verify that the behavior coincides with our plan from whiteboard

Self-check list

• I've set the proper labels for my PR (at least, for category and component).
• PR title and description are clear and intelligible.
• I've added enough comments to my code, particularly in hard-to-understand areas.
• The functionality I've repaired, changed or added is covered with automated tests.
• Manual tests have been provided optionally.
• The documentation for the functionality I've been working on is up-to-date.