minor fixes

		<operation type="GetSampleDataValues">Materials/GetSampleDataValues</operation>

		<!-- USER SETTINGS -->

		<operation type="GetFitFunctions">UserSettings/GetFitFunctions</operation>

		<operation type="GetUserSettings">UserSettings/GetUserSetting</operation>

		<operation type="GetUserSetting">UserSettings/GetUserSetting</operation>

		<operation type="GetUserSettingsByWildcard">UserSettings/GetUserSettingsByWildcard</operation>

		<operation type="SetUserSetting">UserSettings/SetUserSetting</operation>

		<!-- EXTSERVICES -->

  <Identity

    Name="INAF.Apps.Uwp.SLabDataManager"

    Publisher="CN=INAF-IAPS, O=INAF, C=IT"

    Version="1.0.30.0" />

    Version="1.0.31.0" />

  <mp:PhoneIdentity PhoneProductId="07F38165-05DE-4ED7-8514-60D1E8CDCBFE" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>

            foreach (var colorResponse in colorsResponse.Responses)

            {

                string key = colorResponse.Key.Replace("_", string.Empty).ToLowerInvariant();

                settingsHelper.save(key, colorResponse.Value);

                settingsHelper.save(key, string.Join(string.Empty, "#FF", colorResponse.Value));

            }

        }

        #endregion

            logger.Write<MainViewModel>($"Saving spectrum: {spectrum.Filename}", Serilog.Events.LogEventLevel.Information);

            var remoteOperationsManager = serviceProvider.GetRequiredService<RemoteOperationsManager>();

            /* required for saving on cloud the spectrum */

            spectrum.setPointsFromElements();

            SaveSpectrumOfTypeRawRequestModel saveSpectrumRequest = new SaveSpectrumOfTypeRawRequestModel()

            {

                SpectrumFile = spectrum.ToSpectrumFile(),

        public async Task saveColorForSpectrumAsync(string hexcolor)

        {

            hexcolor = hexcolor.Substring(3, hexcolor.Length - 3); // remove the starting #FF which cause misleading reading in webapp.

            var remoteOperationsManager = serviceProvider.GetRequiredService<RemoteOperationsManager>();

            var genericResponseModel = await remoteOperationsManager.setUserSettingAsync(new KeyValueRequestModel() { Key = selectedSpectrumType.Type.ToColorKeyForCloud(), Value = hexcolor });

            settingsHelper.save(selectedSpectrumType.Type.ToColorKey(), hexcolor);