fix: allow-modals in playground

[brian-smith-tcril]

Description

https://github.com/openedx/paragon/issues/2794

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (6927788) 93.00% compared to head (2b4b4bc) 93.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2987   +/-   ##
=======================================
  Coverage   93.00%   93.00%           
=======================================
  Files         236      236           
  Lines        4273     4273           
  Branches     1033     1033           
=======================================
  Hits         3974     3974           
  Misses        295      295           
  Partials        4        4           

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[openedx-semantic-release-bot]

:tada: This PR is included in version 22.4.0 :tada:

The release is available on:

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• GitHub release

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