fix: import PermissionsAndroid and fix broken permission check in Utils.ts

[anushkasrvstv]

Pull Request

Description

Fixes three bugs in frontend/src/helper/Utils.ts around Android permission
handling:

1. Missing import — PermissionsAndroid was used but never imported
   from react-native, causing a ReferenceError and crash on Android.
2. No-op permission request — requestMultiple([]) was called with an
   empty array, so it requested zero permissions even after the import fix.
   Now requests WRITE_EXTERNAL_STORAGE and READ_EXTERNAL_STORAGE for
   Android versions below API 33.
3. Incorrect return type — the function ended with a bare return;,
   resolving to undefined instead of a boolean. Callers using
   if (await checkPermission())-style logic were getting undefined
   rather than a real pass/fail result. Now returns true only when both
   permissions are granted.

Closes #2099

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[github-actions]

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[github-actions]

Automated Review Feedback

Provide actionable comments grouped by severity:

Suggestions

Consider adding automated tests (e.g., integration or E2E tests) to verify the correct behavior of permission requests on Android. While PermissionsAndroid interactions can be challenging to unit test, ensuring this critical functionality works as expected across different Android versions would improve long-term stability.

Maintainer Note:

Once the initial automated feedback has been addressed, maintainer @SB2318 will review the pull request for final evaluation.