feat(ui-ux): hide bottom nagivation when EMV network is selected

[lykalabrada]

What this PR does / why we need it:

Which issue(s) does this PR fixes?:

Fixes DFC-177

Additional comments?:

Developer Checklist:

• [ ] Read your code changes at least once
• [ ] Tested on iOS/Android device (e.g, No crashes, library supported etc.)
• [ ] No console errors on web
• [ ] Tested on Light mode and Dark mode*
• [ ] Your UI implementation visually matched the rendered design*
• [ ] Unit tests*
• [ ] Added e2e tests*
• [ ] Added translations*

[linear[bot]]

DFC-177 Task: Hide Navigator on toggled EVM

[github-actions[bot]]

Missing Translations Report

The following translations are missing for this pull request.

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[github-actions[bot]]

Build preview for DeFiChain Wallet is ready!

Built with commit 58525bc7242f6a106d4fc570602a7f6167ffc590

https://expo.io/@defichain/wallet?release-channel=pr-preview-4011

[codecov-commenter]

Codecov Report

:exclamation: No coverage uploaded for pull request base (feature/evm@1b9fad8). Click here to learn what that means. The diff coverage is n/a.

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  Misses                 ?    10214           
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