Fix key casting in form_dropdown helper. #5035
Merged
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Closes #4993.
Description
This fixes the missing string casting for
$optgroupKey
in theform_dropdown
helper.This is an issue since strict
in_array
was introduced in #3565. Also adds a test for the casting (not pretty, but working).I pointed this at develop as it is supposed to be a bugfix. Please correct if thats wrong 😄
Checklist: