Feat/only send debug images referenced in the stacktrace for events

[martinhaintz]

:scroll: Description

Instead of sending all debug images in case of errors, we only want to send the referenced debug images of the stacktrace to be sent.

:bulb: Motivation and Context

close #1755

:green_heart: How did you test it?

??

:pencil: Checklist

• [ ] I reviewed submitted code
• [ ] I added tests to verify changes
• [ ] No new PII added or SDK only sends newly added PII if sendDefaultPii is enabled
• [ ] I updated the docs if needed
• [ ] All tests passing
• [ ] No breaking changes

:crystal_ball: Next steps