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/annotations/annotations.go

@@ -5,7 +5,7 @@ import (
 	"errors"
 
 	"github.com/grafana/grafana/pkg/components/simplejson"
-	"github.com/grafana/grafana/pkg/models"
+	"github.com/grafana/grafana/pkg/services/user"
 	"github.com/grafana/grafana/pkg/setting"
 )
 
@@ -39,7 +39,7 @@ type ItemQuery struct {
 	Tags         []string `json:"tags"`
 	Type         string   `json:"type"`
 	MatchAny     bool     `json:"matchAny"`
-	SignedInUser *models.SignedInUser
+	SignedInUser *user.SignedInUser
 
 	Limit int64 `json:"limit"`
 }