Accurate epub bookmark and history + highlight element

[mienaiyami]

Type of reader (if reader related)

epub

Description of the new feature / enhancement

• More accurate bookmark and history for epub to prevent random bookmark of first element on document.
• Highlight element that will be used as anchor for bookmark on key click

Or change whole progress system to reduce randomness.

Scenario when this would be used?

No response

Supporting information

No response

[github-actions]

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