Detection of Index pages of libretexts.org is not reliable

[benoit74]

In stats.libretexts.org, 22 Index pages do not match the expected r"^.*\/zz:_[^\/]*?\/10:_[^\/]*$" title pattern

Sample: https://stats.libretexts.org/Bookshelves/Probability_Theory/Introductory_Probability_(Grinstead_and_Snell)/zz%3A_Back_Matter/01%3A_Index

[mindtouch2zim::MainThread::2024-11-24 23:06:53,129] WARNING:Unsupported 'src' encountered in 'script' tag (value: 'https://cdn.libretexts.net/github/LibreTextsMain/Leo Jayachandran/DynamicIndex/dynamicIndexMaker.js') while rewriting page 9146 at https://stats.libretexts.org/Bookshelves/Probability_Theory/Introductory_Probability_(Grinstead_and_Snell)/zz%3A_Back_Matter/01%3A_Index
[mindtouch2zim::MainThread::2024-11-24 23:06:53,130] WARNING:Unsupported 'href' encountered in 'link' tag (value: 'https://cdn.libretexts.net/github/LibreTextsMain/Leo Jayachandran/DynamicIndex/dynamicIndexMaker.css') while rewriting page 9146 at https://stats.libretexts.org/Bookshelves/Probability_Theory/Introductory_Probability_(Grinstead_and_Snell)/zz%3A_Back_Matter/01%3A_Index

We might want to use the presence of dynamicIndexMaker.js and dynamicIndexMaker.css in the body as a more reliable detector ...