[FIX] access rights for public user on res.partner.grade

addons/crm_partner_assign/security/ir.model.access.csv

@@ -3,6 +3,7 @@ access_ crm_lead_report_assign,crm.lead.report.assign,model_crm_lead_report_assi
 access_ crm_lead_report_assign_all,crm.lead.report.assign.all,model_crm_lead_report_assign,base.group_user,1,0,0,0
 access_crm_partner_report,crm.partner.report.assign.all,model_crm_partner_report_assign,base.group_sale_salesman,1,0,0,0
 access_res_partner_grade,res.partner.grade,model_res_partner_grade,base.group_sale_salesman,1,1,1,0
+access_res_partner_grade,res.partner.grade,model_res_partner_grade,base.group_public,1,0,0,0
 access_res_partner_grade_manager,res.partner.grade.manager,model_res_partner_grade,base.group_sale_manager,1,1,1,1
 "access_partner_activation_manager","res.partner.activation.manager","model_res_partner_activation","base.group_partner_manager",1,1,1,1
-partner_access_crm_lead,crm.lead,model_crm_lead,base.group_portal,1,1,0,0
\ No newline at end of file
+partner_access_crm_lead,crm.lead,model_crm_lead,base.group_portal,1,1,0,0