Alerting: add missing yaml tag to mute time struct (#54287) (#54355)

(cherry picked from commit 49b1182f34)

Co-authored-by: Jean-Philippe Quéméner <JohnnyQQQQ@users.noreply.github.com>

pkg/services/ngalert/api/tooling/definitions/provisioning_mute_timings.go

@@ -69,8 +69,8 @@ type MuteTimingPayload struct {
 
 // swagger:model
 type MuteTimeInterval struct {
-	config.MuteTimeInterval
-	Provenance models.Provenance `json:"provenance,omitempty"`
+	config.MuteTimeInterval `json:",inline" yaml:",inline"`
+	Provenance              models.Provenance `json:"provenance,omitempty"`
 }
 
 func (mt *MuteTimeInterval) ResourceType() string {

pkg/services/provisioning/alerting/config_reader_test.go

@@ -126,8 +126,9 @@ func TestConfigReader(t *testing.T) {
 		require.Len(t, file[0].Policies, 2)
 	})
 	t.Run("a mute times file with correct properties and specific org should not error", func(t *testing.T) {
-		_, err := configReader.readConfig(ctx, testFileCorrectProperties_mt)
+		file, err := configReader.readConfig(ctx, testFileCorrectProperties_mt)
 		require.NoError(t, err)
+		require.Equal(t, "test", file[0].MuteTimes[0].MuteTime.Name)
 	})
 	t.Run("a mute times file with correct properties and specific org should not error", func(t *testing.T) {
 		file, err := configReader.readConfig(ctx, testFileCorrectPropertiesWithOrg_mt)