Fixing IOS build

[DGoiana]

Fixing IOS build for a future release. flutter_widget_from_html had a microphone usage permission that was not needed in the context of the app and therefore was blocked by the App Store.

Review checklist

• [ ] Terms and conditions reflect the current change
• [ ] Contains enough appropriate tests
• [ ] If aimed at production, writes a new summary in whatsnew/whatsnew-pt-PT
• [ ] Properly adds an entry in changelog.md with the change
• [ ] If PR includes UI updates/additions, its description has screenshots
• [ ] Behavior is as expected
• [ ] Clean, well-structured code

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 11%. Comparing base (f077d5f) to head (80bff0c). Report is 6 commits behind head on develop.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1326 +/- ## ======================================= Coverage 11% 11% ======================================= Files 268 268 Lines 7309 7309 ======================================= Hits 799 799 Misses 6510 6510 ```