[Android][UI] Incorrect color on Dark Mode, Overflow on Support Link

[danninov]

Describe the bug

When Dark mode is enabled:

1. When using date picker on birthday field (on signup flow, on Settings), the Confirm button is also dark which make it hard to see for user.
2. On onboarding flow when choosing Feed, the checkbox is also dark, make it hard to see for user.

Another bug:

1. On sign-up flow, when using language that has long name, the text Having trouble? and the link to help page is overflow.

To Reproduce

Steps to reproduce the behavior:

1. Open sign-up flow

Expected behavior

• Use lighter color on date picker.
• The text Having trouble? and the link is not overflow

Screenshots

Details

• Platform: Android
• Platform version: 13
• App version: 1.83

Additional context