fix: added missing back buttons to settings pages

[al-rosenthal]

Summary of Changes

updated header for biometry, update pin, terms and push notifications screens in the settings stack

Screenshots, videos, or gifs

n/a

Breaking change guide

n/a

Related Issues

BC Wallet: 2338

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[sonarqubecloud]

Quality Gate passed

Issues
4 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

[bryce-mcmath]

Is this event / event emitter used anywhere else in the code base? Is there going to be any dead code because of this change that could be removed?