Clean up of some demo data that was referring to old demo data names/prices. Also add extra demo data so we can have some stock.valuation.layer values and some data points for enterprise level reports. Part 3.3 of task: 2440068 ENT PR: odoo/enterprise#20169 closes odoo/odoo#74951 Related: odoo/upgrade#2727 Signed-off-by: Rémy Voet <ryv-odoo@users.noreply.github.com>