DataPersister POMM

[vjoly-hbs]

I just try to add PATCH method on a resource and it seems that the DataPersister for POMM is not included, the response is the modified resource but she's not modified in DB

[stood]

Thx for you catch we will to use RFC 7396 (https://tools.ietf.org/html/rfc7396) for patch

[teohhanhui]

This bundle overrides the WriteListener from API Platform. It should implement a DataPersister instead: https://api-platform.com/docs/core/data-persisters/