Alerting: fix sqlstore.GetFolderByTitle to search for folder (#42898) (#43059)

* a test to reproduce the bug

(cherry picked from commit b63595b47f)

Co-authored-by: Yuriy Tseretyan <tceretian@gmail.com>

pkg/services/sqlstore/dashboard_folder_test.go

@@ -7,10 +7,11 @@ import (
 	"context"
 	"testing"
 
+	"github.com/stretchr/testify/require"
+
 	"github.com/grafana/grafana/pkg/components/simplejson"
 	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/services/search"
-	"github.com/stretchr/testify/require"
 )
 
 func TestDashboardFolderDataAccess(t *testing.T) {
@@ -507,6 +508,23 @@ func TestDashboardFolderDataAccess(t *testing.T) {
 				})
 			})
 		})
+
+		t.Run("Given dashboard and folder with the same title", func(t *testing.T) {
+			var orgId int64 = 1
+			title := "Very Unique Name"
+			var sqlStore *SQLStore
+			var folder1, folder2 *models.Dashboard
+			sqlStore = InitTestDB(t)
+			folder2 = insertTestDashboard(t, sqlStore, "TEST", orgId, 0, true, "prod")
+			_ = insertTestDashboard(t, sqlStore, title, orgId, folder2.Id, false, "prod")
+			folder1 = insertTestDashboard(t, sqlStore, title, orgId, 0, true, "prod")
+
+			t.Run("GetFolderByTitle should find the folder", func(t *testing.T) {
+				result, err := sqlStore.GetFolderByTitle(orgId, title)
+				require.NoError(t, err)
+				require.Equal(t, folder1.Id, result.Id)
+			})
+		})
 	})
 }