[FIX][ENH] Pdflib: Implement html document cleaner using tidy php extension

This MR should :

• Corrects and cleans up some HTML and XML documents by fixing markup errors using tidy php extension
• Allows Tiki to detect whether tidy extension is loaded or not through Tiki server check feature

Tidy documentation:

• http://php.net/manual/en/class.tidy.php
• https://www.w3.org/People/Raggett/tidy/

Related Task: https://avan.tech/item93833

Glitchtip:

• https://app.glitchtip.com/evoludata/issues/2379195
• https://app.glitchtip.com/evoludata/issues/2382850
• https://app.glitchtip.com/evoludata/issues/2566999
• https://app.glitchtip.com/evoludata/issues/2590667
• https://app.glitchtip.com/evoludata/issues/2379535
• https://app.glitchtip.com/evoludata/issues/2379539
• https://app.glitchtip.com/evoludata/issues/2379536
• https://app.glitchtip.com/evoludata/issues/2379533
• https://app.glitchtip.com/evoludata/issues/2379534
• https://app.glitchtip.com/evoludata/issues/2638334
• https://app.glitchtip.com/evoludata/issues/2380889
• https://app.glitchtip.com/evoludata/issues/2379046