Links from document type 'slide' pages to other versions are not correct

`resolution_fixed` `type_defect`   |    by rjsparks@nostrum.com

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All the 'other version' links point to the generic doc page for slides.
See <https://datatracker.ietf.org/doc/slides-100-teas-administrivia-wg-status/>.
Note that the pptx and pdf links point to the same place (which incidentally serves pdf).

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_Issue migrated from trac:2436 at 2022-03-04 06:37:47 +0000_