Chore: Copy user methods over to user store (#56000)

* Chore: Copy user methods over to user store

* Fix some tests and bugs

* Add some more tests

* Move tests to user store

* Move back the tests

* Add some tests

pkg/services/user/model.go

@@ -186,10 +186,10 @@ type SetUserHelpFlagCommand struct {
 }
 
 type GetSignedInUserQuery struct {
-	UserID int64
+	UserID int64 `xorm:"user_id"`
 	Login  string
 	Email  string
-	OrgID  int64
+	OrgID  int64 `xorm:"org_id"`
 }
 
 type SignedInUser struct {