Allow song progress bar to show current position during a seek Co-authored-by: Dan Balasescu <smoogipoo@smgi.me>
Fix score deletion not considering ScoreManager ownership
Attempt to fix failing tests by delaying starting of the gameplay clock
Use nullable cancellation tokens
Add cancellation support to storyboard/hitobject loading
Fix long skip performance
Fix incorrect judgement counts for rewinding
Also adjusts the default to allow for smoother seeking.
This was causing deletions of scores without considering that scores are now managed by a ScoreManager (and have their own data dependencies).
Fix ZoomableScrollContainer not getting initial width
Fix user bindable being written to from background thread
Add more asserts to pause test in an attempt to track down intermittent test failures