[BUG] PDFs named the same breaks caching

[rschattauer]

📝 Describe the Bug

When I am loading 10.pdf and another 10.pdf within a different directory locally from my phone the second 10.pdf would show the cached pdf pages from the first 10.pdf

🤔 Expected Behavior

Caching should work a little different, maybe more metadata checks or metadata in the cache jpg's folder name?

[github-actions]

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