backport of commit c7b029e (#28595)

Co-authored-by: Bianca Moreira <48203644+biazmoreira@users.noreply.github.com>

vault/identity_store_entities.go

@@ -330,7 +330,7 @@ func (i *IdentityStore) handleEntityUpdateCommon() framework.OperationFunc {
 		// Get the name
 		entityName := d.Get("name").(string)
 		if entityName != "" {
-			entityByName, err := i.MemDBEntityByName(ctx, entityName, false)
+			entityByName, err := i.MemDBEntityByName(ctx, entityName, true)
 			if err != nil {
 				return nil, err
 			}