Error trying to access the permissions configurator within a component

[Xfolchf]

Describe the bug
By clicking on the icon of the key to edit the permissions of a component, for example proposals, in a process, it brings you an error page.

https://meta.decidim.org/processes/bug-report/f/210/proposals/12594

Extra data (please complete the following information):

• Device: [e.g. iPhone6, Desktop]
• Device OS: [e.g. iOS8.1, Windows 10]
• Browser: [e.g. Chrome, Firefox, Safari]
• Decidim Version: [e.g. 0.10] 0.12.x
• Decidim installation: [e.g. MetaDecidim]

Additional context
Add any other context about the problem here.

[MarcReniu]

Related to #3556