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/web/webtest/webtest_test.go

@@ -10,6 +10,7 @@ import (
 	"github.com/grafana/grafana/pkg/api/response"
 	"github.com/grafana/grafana/pkg/api/routing"
 	"github.com/grafana/grafana/pkg/models"
+	"github.com/grafana/grafana/pkg/services/user"
 	"github.com/stretchr/testify/require"
 )
 
@@ -87,7 +88,7 @@ func TestServerClient(t *testing.T) {
 	t.Run("Making a request with user 1 should return user 1 as signed in user", func(t *testing.T) {
 		req := s.NewRequest(http.MethodGet, "/test", nil)
 		req = RequestWithWebContext(req, &models.ReqContext{
-			SignedInUser: &models.SignedInUser{
+			SignedInUser: &user.SignedInUser{
 				UserId: 1,
 			},
 		})
@@ -99,7 +100,7 @@ func TestServerClient(t *testing.T) {
 		require.NoError(t, err)
 		require.NoError(t, resp.Body.Close())
 
-		var user models.SignedInUser
+		var user user.SignedInUser
 		err = json.Unmarshal(bytes, &user)
 		require.NoError(t, err)
 		require.NotNil(t, user)
@@ -109,7 +110,7 @@ func TestServerClient(t *testing.T) {
 	t.Run("Making a request with user 2 should return user 2 as signed in user", func(t *testing.T) {
 		req := s.NewRequest(http.MethodGet, "/test", nil)
 		req = RequestWithWebContext(req, &models.ReqContext{
-			SignedInUser: &models.SignedInUser{
+			SignedInUser: &user.SignedInUser{
 				UserId: 2,
 			},
 		})
@@ -121,7 +122,7 @@ func TestServerClient(t *testing.T) {
 		require.NoError(t, err)
 		require.NoError(t, resp.Body.Close())
 
-		var user models.SignedInUser
+		var user user.SignedInUser
 		err = json.Unmarshal(bytes, &user)
 		require.NoError(t, err)
 		require.NotNil(t, user)