Let the DependencyResolver take the suggest-part of the composer.json
or ext_emconf.php files into account. This solves issues where it is
necessary to ensure a certain loading order of extensions without
having a real dependency between those.

Resolves: #57825
Releases: 6.2
Change-Id: Ia771813b7945409e5ddaec3f19da27239be16e67
Reviewed-on: https://review.typo3.org/30005
Reviewed-by: Loek Hilgersom
Tested-by: Loek Hilgersom
Reviewed-by: Thomas Maroschik
Reviewed-by: Fabien Udriot
Tested-by: Fabien Udriot
Reviewed-by: Stefan Neufeind
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers