Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56334

This changes the todos in the tests as it fixes the thread input not
being attached, but then exposes a different todo.

They are not needed for PE builds.

They are not needed for PE builds.

PE code requires hardware floating point.

They are not needed for PE builds.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56299

Include a line number of the call site.

Add a dummy track parser, that reads through MIDI tracks and events. To make sure we understand the
file structure correctly, no actual tracks or events are generated.

Also add test cases to make sure we read through a MIDI file correctly.

MIDI files aren't RIFF, calling stream_skip_chunk on it is invalid.

Fixes a test that is frequently failing on the GitLab CI.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56188