cubicweb-vcsfile #3924727 Repository.heads_rset() should not return hidden changesets [validation pending]

prioritynormal
typebug
done in1.16.0
load0.500
load left0.000
closed by#8f519fd83c31 [entities] make heads_rset() ignore hidden revs
patch[entities] make heads_rset() ignore hidden revs [applied]