Auth: remove org count from signedInUser (#72661)

* tweaks

* remove org count from signedinUser

* remove org count from signedinUser store

* fix broken tests

* restore frontend interface

pkg/services/user/model.go

@@ -211,7 +211,6 @@ type SignedInUser struct {
 	AuthenticatedBy  string
 	ApiKeyID         int64 `xorm:"api_key_id"`
 	IsServiceAccount bool  `xorm:"is_service_account"`
-	OrgCount         int
 	IsGrafanaAdmin   bool
 	IsAnonymous      bool
 	IsDisabled       bool

pkg/services/user/userimpl/store.go

@@ -396,7 +396,6 @@ func (ss *sqlStore) GetSignedInUser(ctx context.Context, query *user.GetSignedIn
 		u.is_disabled         as is_disabled,
 		u.help_flags1         as help_flags1,
 		u.last_seen_at        as last_seen_at,
-		(SELECT COUNT(*) FROM org_user where org_user.user_id = u.id) as org_count,
 		org.name              as org_name,
 		org_user.role         as org_role,
 		org.id                as org_id,