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/api/dtos/acl.go

@@ -1,6 +1,9 @@
 package dtos
 
-import "github.com/grafana/grafana/pkg/models"
+import (
+	"github.com/grafana/grafana/pkg/models"
+	"github.com/grafana/grafana/pkg/services/org"
+)
 
 // swagger:model
 type UpdateDashboardACLCommand struct {
@@ -9,9 +12,9 @@ type UpdateDashboardACLCommand struct {
 
 // swagger:model
 type DashboardACLUpdateItem struct {
-	UserID int64            `json:"userId"`
-	TeamID int64            `json:"teamId"`
-	Role   *models.RoleType `json:"role,omitempty"`
+	UserID int64         `json:"userId"`
+	TeamID int64         `json:"teamId"`
+	Role   *org.RoleType `json:"role,omitempty"`
 	// Permission level
 	// Description:
 	// * `1` - View