Fix chakra-react-select props in AssignTagsButton

[pylipp]

Happened in the meantime in e41a9ff, breaking build-front CI job on
master

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.82%. Comparing base (49f62e9) to head (a372bcc).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1999   +/-   ##
=======================================
  Coverage   84.82%   84.82%           
=======================================
  Files         251      251           
  Lines       15640    15640           
  Branches     1654     1654           
=======================================
  Hits        13266    13266           
  Misses       2347     2347           
  Partials       27       27           

Flag	Coverage Δ
backend	99.65% <ø> (ø)

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