Move SignedInUser to user service and RoleType and Roles to org (#53445)

* Move SignedInUser to user service and RoleType and Roles to org

* Use go naming convention for roles

* Fix some imports and leftovers

* Fix ldap debug test

* Fix lint

* Fix lint 2

* Fix lint 3

* Fix type and not needed conversion

* Clean up messages in api tests

* Clean up api tests 2

pkg/services/sqlstore/team.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/grafana/grafana/pkg/models"
 	ac "github.com/grafana/grafana/pkg/services/accesscontrol"
+	"github.com/grafana/grafana/pkg/services/user"
 )
 
 type TeamStore interface {
@@ -22,7 +23,7 @@ type TeamStore interface {
 	GetUserTeamMemberships(ctx context.Context, orgID, userID int64, external bool) ([]*models.TeamMemberDTO, error)
 }
 
-func getFilteredUsers(signedInUser *models.SignedInUser, hiddenUsers map[string]struct{}) []string {
+func getFilteredUsers(signedInUser *user.SignedInUser, hiddenUsers map[string]struct{}) []string {
 	filteredUsers := make([]string, 0, len(hiddenUsers))
 	if signedInUser == nil || signedInUser.IsGrafanaAdmin {
 		return filteredUsers