fix(graphql): link relations requires the property

[develth]

Q	A
Branch?	3.0
Tickets	#4613 (comment) & #4613 (comment) & #4931 (PR)
License	MIT
Doc PR	api-platform/docs#..

Extend from #4931 to provide tests

[develth]

force push because of f*kd up commit messages :/

[develth]

hey @alanpoulain

Just updated the tests to use an separate model.
If you run the test without the changes in src/, you see what currently is not working / mixing up

[alanpoulain]

Thank you @develth and @webda2l.

[develth]

props go to @webda2l - i just wrote some tests

[webda2l]

@develth team work ;)
@alanpoulain nice trick with the # :) I will soon retry to get on the official repo instead my fork.

[develth]

@alanpoulain nice trick with the # :) I will soon retry to get on the official repo instead my fork.

i use cweagans/composer-patches for that - no need to fork and just use patches to solve temporary the issue