cubicweb-trackervcs #2518843 link ticket to patch doesn't work if project is a subproject [validation pending]

and the source repository is held by the parent project. As for our internal training repository.

prioritynormal
typebug
done in1.0.2
load0.100
load left0.000
closed by#b95e47c15f2c closes #2518843: link ticket to patch / auto close doesn't work for subproject
patchcloses #2518843 link ticket to patch / auto close don't work if project is a subproject of the project holding the repository [applied]