fix: problems with rendering and detached threads

[mdydek]

Closes #

⚠️ Breaking changes ⚠️

Introduced changes

• fast suspend and resume in offline audio context could have a slight window when two rendering threads were running in the same time, which could result in multiple consumers of the events
• removing node lacked self draining
• promise offloader was destroyed too late in the context destructor which could result in use after free
• do not create new threads on audio thread, which results in allocation, changed logic or place of creation new thread

Checklist

• Linked relevant issue
• Updated relevant documentation
• Added/Conducted relevant tests
• Performed self-review of the code
• Updated Web Audio API coverage
• Added support for web
• Updated old arch android spec file

[github-actions]

WPT non-regression comparison

ERROR — the run produced no report.

_{Workflow run · this comment is updated on every push.}