Fix runmigration cached using DB load and create#250

yvaucher wants to merge 2 commits intocamptocamp:release-4.5.Xcamptocamp/docker-odoo-project:release-4.5.Xfrom

yvaucher:fix-runmigration-load-n-createyvaucher/docker-odoo-project:fix-runmigration-load-n-createCopy head branch name to clipboard