fix loading large audios via URI

[niklasdahlheimer]

🛠 Fix OutOfMemoryError when using setSampleFrom() with large content URIs

We encountered OutOfMemoryError crashes when using setSampleFrom() with large audio files accessed via content:// URIs.

✅ Changes

• Replaced readBytes() in Context.uriToFile()
  Previously, the entire audio file was read into RAM at once, which caused memory issues.
  We now use InputStream.copyTo() to stream the file to a temp location, significantly reducing memory usage.

• Improved ContentResolver.getUriExtension(uri)
  File extensions weren’t reliably extracted from content:// URIs.
  The function now:

  • Checks the MIME type and maps it to a file extension.
  • Falls back to reading the filename via OpenableColumns.DISPLAY_NAME if needed.

These changes improve stability and compatibility with large audio files provided by content:// sources.