Short delay until currency displayer is blurred

[vincius0000]

Prerequisites

• I have read the Contributing Guidelines.
• I agree to follow the Code of Conduct.
• I have searched for existing issues that already report this problem, without success.
• I have updated the app to the last released version.

Current Behavior

When opening the application, there is a short delay until the currency displayer is blurred.

Expected Behavior

Currency displayer should initially be blurred to not expose sensitive information even for a slight time.

Steps to Reproduce

Open app with private mode enabled on start.

Additional Information

PR is prepared already