fix: Add microphone permissions to iOS (#7812)

[Cal-L]

Description

This PR adds NSMicrophoneUsageDescription aka microphone access to iOS. This is meant to resolve crashers encountered by websites attempting to access microphone.

Related issues

Fixes: #

Manual testing steps

Scenario 1
Install the build with microphone permission capabilities
Go to the mobile browser
Go to mictests.com
Press Test my mic
Allow microphone permissions
Microphone access is enabled and app does not crash

Scenario 2
Install the build with microphone permission capabilities
Go to the mobile browser
Go to mictests.com
Press Test my mic
Deny microphone permissions
Allow microphone permissions in phone settings
Reopen app and press test my mic
Microphone access is enabled and app does not crash

Screenshots/Recordings

Before

After

Scenario 1
https://github.com/MetaMask/metamask-mobile/assets/10508597/594446bf-d8ac-411c-b55d-2bc62bf3a1c2

Scenario 2
https://github.com/MetaMask/metamask-mobile/assets/10508597/94321ef8-70c8-4876-a91f-1fea9fbd02df

Pre-merge author checklist

• I’ve followed MetaMask Coding Standards.
• I've clearly explained what problem this PR is solving and how it is solved.
• I've linked related issues
• I've included manual testing steps
• I've included screenshots/recordings if applicable
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.
• I’ve properly set the pull request status:
  • In case it's not yet "ready for review", I've set it to "draft".
  • In case it's "ready for review", I've changed it from "draft" to "non-draft".

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[github-actions]

E2E test started on Bitrise: https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/366df5d9-40c0-4e08-9137-e0bb4fe59d71
You can also kick off another Bitrise E2E smoke test by removing and re-applying the (Run Smoke E2E) label

[Cal-L]

QA builds - https://app.bitrise.io/app/be69d4368ee7e86d/pipelines/eefd878f-c2f9-40e3-a60d-03085b073019

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ca5a673) 35.04% compared to head (6881b43) 35.04%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7813   +/-   ##
=======================================
  Coverage   35.04%   35.04%           
=======================================
  Files        1040     1040           
  Lines       27710    27710           
  Branches     2344     2344           
=======================================
  Hits         9711     9711           
  Misses      17475    17475           
  Partials      524      524           

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[tommasini]

Wow cool, this was needed for some time! Cool! LGTM!

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[chrisleewilcox]

Tested, passed on my local simulator iPhone 13 Pro iOS 15.2.