Fix/22 3-button navigation buttons overlaying app

[lebouquetin]

Fixes #22

Checkpoints

For developers

• If relevant, manual tests have been done to ensure the stability of the whole application and that the involved feature works.
• The original issue is up to date w.r.t the latest discussions and contains a short summary of the implemented solution.
• Make sure that relevant people for these changes are notified.
• Original authors of the feature should be part of the reviewers, especially if you encountered merge conflicts.

For code reviewers

• The code is clear enough and follow code rules.
• If there are FIXMEs in the code, related issues are mentioned in the FIXME.
• If there are TODOs, NOTEs or HACKs in code, the date and the developer initials are present.

For testers

• Manual, quality tests have been done.

[piRGoif]

I would only add a link to the documentation (seems it is https://docs.expo.dev/versions/latest/sdk/safe-area-context/ ?), maybe in the issue itself ?

[lebouquetin]

I would only add a link to the documentation (seems it is https://docs.expo.dev/versions/latest/sdk/safe-area-context/ ?), maybe in the issue itself ?

Adding this link in the issue is a good idea, I think. Go ahead 👍