cubicweb #3459618 install_custom_sql_scripts fails silently [validation pending]

it tries to display errors, but gets it wrong

prioritynormal
typebug
done in3.18.2
load0.250
load left0.000
closed by#6b673cb4d3b6 [migractions] Don't silently ignore errors when installing sql procedures
patch[migractions] Don't silently ignore errors when installing sql procedures [applied]