CW-636-1-Unfocus text fields when push to next one

[Serhii-Borodenko]

Issue Number (if Applicable): Fixes #

Description

Implemented automatic unfocus on the current text field across various screens (Exchange, Send, Address Book, QR, Paste, etc.) to prevent the keyboard from popping up.

Pull Request - Checklist

• [x] Initial Manual Tests Passed
• [x] Double check modified code and verify it with the feature/task requirements
• [x] Format code
• [x] Look for code duplication
• [x] Clear naming for variables and methods