Split Create User (#50502)

* Split Create User

* Use new create user and User from package user

* Add service to wire

* Making create user work

* Replace user from user pkg

* One more

* Move Insert to orguser Service/Store

* Remove unnecessary conversion

* Cleaunp

* Fix Get User and add fakes

* Fixing get org id for user logic, adding fakes and other adjustments

* Add some tests for ourguser service and store

* Fix insert org logic

* Add comment about deprecation

* Fix after merge with main

* Move orguser service/store to org service/store

* Remove orguser from wire

* Unimplement new Create user and use User from pkg user

* Fix wire generation

* Fix lint

* Fix lint - use only User and CrateUserCommand from user pkg

* Remove User and CreateUserCommand from models

* Fix lint 2

pkg/services/org/orgtest/fake.go

@@ -0,0 +1,28 @@
+package orgtest
+
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/services/org"
+)
+
+type FakeOrgService struct {
+	ExpectedOrgUserID int64
+	ExpectedError     error
+}
+
+func NewOrgServiceFake() *FakeOrgService {
+	return &FakeOrgService{}
+}
+
+func (f *FakeOrgService) GetIDForNewUser(ctx context.Context, cmd org.GetOrgIDForNewUserCommand) (int64, error) {
+	return f.ExpectedOrgUserID, f.ExpectedError
+}
+
+func (f *FakeOrgService) Insert(ctx context.Context, cmd *org.OrgUser) (int64, error) {
+	return f.ExpectedOrgUserID, f.ExpectedError
+}
+
+func (f *FakeOrgService) InsertUser(ctx context.Context, cmd *org.OrgUser) (int64, error) {
+	return f.ExpectedOrgUserID, f.ExpectedError
+}