The commit 3862d5aae1df72d3585f915e8a2a2626322e74ad has changed the class
set on the root node of the graph renderer but has not adapted a css rule
used in the board app to ensure that the graph views have the correct
height. We fix that situation.
closesodoo/odoo#80047
X-original-commit: b08bc57d5ba2e0da17a452189d584574fb2f9832
Signed-off-by: Géry Debongnie (ged) <ged@openerp.com>