Fix West Oxfordshire Council

[MathewBurnett]

Website seems to have altered the reference to the combo box which is now combobox-input-23

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.90%. Comparing base (0a298e8) to head (1ce0aa9).
⚠️ Report is 9 commits behind head on july_release_25.

Additional details and impacted files

@@               Coverage Diff                @@
##           july_release_25    #1527   +/-   ##
================================================
  Coverage            86.90%   86.90%           
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  Files                    9        9           
  Lines                 1130     1130           
================================================
  Hits                   982      982           
  Misses                 148      148           

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