Bootstrap sets a z-index of 1050 for modals while the editor's floating toolbar has no set z-index and is therefore invisible in modals. This ensures the visibility of the toolbar in bootstrap modals. closes odoo/odoo#69160 X-original-commit: 9cd4eb6db072fd55d47240260e63fd5923b3bddb Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>