[Session Replay on Mobile] Improve Masking Defaults by Keeping Inputs Masked

## Description

For Web Replay, our default masking is:

```
Sentry.replayIntegration({
maskAllText: true,
blockAllMedia: true,
});
```
Even if someone sets both options to false, we will still mask all inputs (e.g., passwords), given maskAllInputs defaults to true.

I'd like the same case to be how it works on Mobile. For example, if someone has an iOS project, and they change their masking options to be:

```
options.sessionReplay.maskAllText = false
options.sessionReplay.maskAllImages = false
```

Inputs should still be masked. Note that this requires us to define inputs across iOS, Android and React Native.

Start by comparing the Web Replay defaults with the session replay masking options for iOS, Android, and React Native. Identify how each platform defines inputs and where maskAllText and maskAllImages are handled. Done means inputs remain masked when those options are disabled, consistently across all three mobile platforms.

Written by the indexing model from the issue text.