fix(query): user performance (#6537)

* start user by id

* ignore debug bin

* use new user by id

* new sql

* fix(sql): replace STRING with text for psql compatabilit

* some changes

* fix: correct user queries

* fix tests

* unify sql statements

* use specific get user methods

* search login name case insensitive

* refactor: optimise user statements

* add index

* fix queries

* fix: correct domain segregation

* return all login names

* fix queries

* improve readability

* query should be correct now

* cleanup statements

* fix username / loginname handling

* fix: psql doesn't support create view if not exists

* fix: create pre-release

* ignore release comments

* add lower fields

* fix: always to lower

* update to latest projection

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>

cmd/setup/18.go

@@ -0,0 +1,26 @@
+package setup
+
+import (
+	"context"
+	_ "embed"
+
+	"github.com/zitadel/zitadel/internal/database"
+)
+
+var (
+	//go:embed 18.sql
+	addLowerFieldsToLoginNames string
+)
+
+type AddLowerFieldsToLoginNames struct {
+	dbClient *database.DB
+}
+
+func (mig *AddLowerFieldsToLoginNames) Execute(ctx context.Context) error {
+	_, err := mig.dbClient.ExecContext(ctx, addLowerFieldsToLoginNames)
+	return err
+}
+
+func (mig *AddLowerFieldsToLoginNames) String() string {
+	return "18_add_lower_fields_to_login_names"
+}