Fix Kloosterman computation on Dirichlet character pages

[davidlowryduda]

This fixes #2465

The fix is very simple. I suspect that someone was copy-pasting javascript function calls and forgot to update one fully.

[codecov-io]

Codecov Report

Merging #2468 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2468   +/-   ##
=======================================
  Coverage   55.13%   55.13%           
=======================================
  Files         240      240           
  Lines       32382    32382           
  Branches     4879     4879           
=======================================
  Hits        17854    17854           
  Misses      13288    13288           
  Partials     1240     1240

Impacted Files	Coverage Δ
lmfdb/number_fields/number_field.py	71.37% <0%> (-0.38%)	⬇️
lmfdb/tensor_products/galois_reps.py	6.86% <0%> (ø)	⬆️
lmfdb/abvar/fq/search_parsing.py	76.11% <0%> (ø)	⬆️
lmfdb/elliptic_curves/web_ec.py	89.28% <0%> (+0.59%)	⬆️

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