fix: Prevent ADs and chairs from being added to bethere constraint

[larseggert]

Fixes #5163 and #3890.

Also fix a js error while I'm here.

[codecov]

Codecov Report

Merging #5169 (8513163) into main (f9c2376) will decrease coverage by 0.01%.
The diff coverage is 77.77%.

❗ Current head 8513163 differs from pull request most recent head 6bc8ffe. Consider uploading reports for the commit 6bc8ffe to get more accurate results

@@            Coverage Diff             @@
##             main    #5169      +/-   ##
==========================================
- Coverage   88.54%   88.53%   -0.01%     
==========================================
  Files         295      295              
  Lines       40046    40059      +13     
==========================================
+ Hits        35458    35466       +8     
- Misses       4588     4593       +5     

Impacted Files	Coverage Δ
ietf/secr/sreq/forms.py	97.32% <77.77%> (-0.99%)	⬇️
ietf/utils/text.py	85.97% <0.00%> (-1.22%)	⬇️
ietf/doc/views_search.py	89.02% <0.00%> (-0.21%)	⬇️
ietf/api/views.py	89.44% <0.00%> (-0.03%)	⬇️
ietf/api/urls.py	100.00% <0.00%> (ø)
ietf/doc/views_doc.py	91.53% <0.00%> (+0.15%)	⬆️

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