Fixed issue with api-models dataclasses for eSuite

[Bartvaderkin]

No description provided.

[codecov-commenter]

Codecov Report

Merging #464 (0a814cc) into develop (a558919) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop     #464   +/-   ##
========================================
  Coverage    96.41%   96.41%           
========================================
  Files          497      497           
  Lines        17734    17760   +26     
========================================
+ Hits         17098    17124   +26     
  Misses         636      636           

Impacted Files	Coverage Δ
.../open_inwoner/components/templatetags/file_tags.py	86.11% <100.00%> (-0.38%)	⬇️
src/open_inwoner/openzaak/api_models.py	99.32% <100.00%> (+0.15%)	⬆️
src/open_inwoner/openzaak/catalog.py	59.71% <100.00%> (ø)

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