chore: remove organization_id suffix from org_member roles in database (#13473)

Organization member's table is already scoped to an organization.
Rolename should avoid having the org_id appended.

Wipes all existing organization role assignments, which should not be used anyway.

coderd/database/db2sdk/db2sdk.go

@@ -204,13 +204,6 @@ func Group(group database.Group, members []database.User) codersdk.Group {
 	}
 }
 
-func SlimRole(role rbac.Role) codersdk.SlimRole {
-	return codersdk.SlimRole{
-		DisplayName: role.DisplayName,
-		Name:        role.Name,
-	}
-}
-
 func TemplateInsightsParameters(parameterRows []database.GetTemplateParameterInsightsRow) ([]codersdk.TemplateParameterUsage, error) {
 	// Use a stable sort, similarly to how we would sort in the query, note that
 	// we don't sort in the query because order varies depending on the table
@@ -525,6 +518,19 @@ func ProvisionerDaemon(dbDaemon database.ProvisionerDaemon) codersdk.Provisioner
 	return result
 }
 
+func SlimRole(role rbac.Role) codersdk.SlimRole {
+	roleName, orgIDStr, err := rbac.RoleSplit(role.Name)
+	if err != nil {
+		roleName = role.Name
+	}
+
+	return codersdk.SlimRole{
+		DisplayName:    role.DisplayName,
+		Name:           roleName,
+		OrganizationID: orgIDStr,
+	}
+}
+
 func RBACRole(role rbac.Role) codersdk.Role {
 	roleName, orgIDStr, err := rbac.RoleSplit(role.Name)
 	if err != nil {