When an employee was their own manager, the org chart would be filled with their own name. task-3093917 closes odoo/odoo#107546 X-original-commit: 53f9359d84a6bb500db693298a12608964a0a118 Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com> Signed-off-by: Kevin Baptiste <kba@odoo.com>