Can't select components inside an editgrid for the appointments configuration of a form

[Viicos]

Product versie / Product version

2.6.x

Omschrijf het probleem / Describe the bug

I'm not familiar with the appointments configuration, but noticed the following when trying to select a component that is defined inside an editgrid:

https://github.com/open-formulieren/open-forms/assets/65306057/3b7ce265-295e-4997-a86a-73899125f9c5

Stappen om te reproduceren / Steps to reproduce

1. Define an editgrid component with a textfield component inside
2. Go to appointments tab, try selecting something for Last name component

Verwacht gedrag / Expected behavior

No response

Screen resolution

None

Device

None

OS

None

Browser

No response