New PDF Certification validation showing validity compared to Mozzila CA or custom-provided cert. Show additional information like expiry time, type and issuer

lots of Bug fixes with file inputs and submit buttons

What's Changed

Enhancements

• Feature/undo page break by @reecebrowne in https://github.com/Stirling-Tools/Stirling-PDF/pull/2389
• PDF Cert validation by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/2394
• Feature: Show permissions as a separate tab by @omar-ahmed42 in https://github.com/Stirling-Tools/Stirling-PDF/pull/2396

Minor Enhancements

• Fix missing upload button by @omar-ahmed42 in https://github.com/Stirling-Tools/Stirling-PDF/pull/2393
• Only download one file on sign cert by @reecebrowne in https://github.com/Stirling-Tools/Stirling-PDF/pull/2397

Translation Changes

• Update translation files by @github-actions in https://github.com/Stirling-Tools/Stirling-PDF/pull/2398
• Update messages_it_IT.properties by @albanobattistella in https://github.com/Stirling-Tools/Stirling-PDF/pull/2401

Full Changelog: https://github.com/Stirling-Tools/Stirling-PDF/compare/v0.35.1...v0.36.0