fix: Fix deferring ballots from the "edit position" view

[larseggert]

Fixes #4903

[codecov]

Codecov Report

Merging #5106 (fe3b1eb) into main (bfe25fc) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #5106      +/-   ##
==========================================
- Coverage   88.50%   88.48%   -0.02%     
==========================================
  Files         296      296              
  Lines       40018    40020       +2     
==========================================
- Hits        35416    35413       -3     
- Misses       4602     4607       +5     

Impacted Files	Coverage Δ
ietf/meeting/views.py	90.70% <100.00%> (+<0.01%)	⬆️
ietf/utils/pipe.py	82.60% <0.00%> (-4.35%)	⬇️
ietf/nomcom/utils.py	91.30% <0.00%> (-0.73%)	⬇️
ietf/doc/views_search.py	89.23% <0.00%> (-0.21%)	⬇️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.