fix(ios): set category before creating AVAudioRecorder

[knight9999]

Platforms affected

iOS

Motivation and Context

Fixes #267

i.e. Recording audio doesn't work on iOS 6.2 or newer.

Description

I changed setting category AVAudioSessionCategoryPlayAndRecord before creating AVAudioRecorder.
This is according to the comment #267 (comment) .

Testing

In my local environment, I tested by creating cordova sample project and confirm the recording method (navigator.device.capture.captureAudio) works well on following devices.

iPhone SE 2th iOS 16.4.1 (a)
iPhone 12 iOS 15.0
iPad Air 4th iOS 16.3.1

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[erisu]

LGTM