[MS-580] Removing remaining NavController::navigate - from READMEs

[alex-vt]

JIRA ticket
Will be released in: 2025.2.0

Notable changes

• NavController::navigate is already replaced with NavController::navigateSafely extension, but examples in README files remained. Updated them.

Additional work checklist

This is a small change in development-only docs.

• Effect on other features and security has been considered
• Design document marked as "In development" (if applicable)
• External (Gitbook) and internal (Confluence) Documentation is up to date (or ticket created)
• Test cases in Testiny are up to date (or ticket created)
• Other teams notified about the changes (if applicable)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud