cubicweb-forge #4943339 i18n problems with the ticket traceability chain box [validation pending]

title nor states are translated

prioritynormal
typebug
done in1.12.0
load1.000
load left0.000
closed by#8f7f0414609f [boxes] fix i18n for the ticket traceability box. Closes #4943339
patch[boxes] fix i18n for the ticket traceability box. Closes #4943339 [applied]