refactor: order configuration settings by key (#97)

Author: tnc1997

src/AzureAppConfigurationEmulator/Components/Pages/ConfigurationExplorer.razor

@@ -49,7 +49,7 @@
 @code {
     private List<ConfigurationSetting> ConfigurationSettings { get; } = [];
 
-    private List<ConfigurationSetting> FilteredConfigurationSettings => ConfigurationSettings.Where(setting => string.IsNullOrEmpty(SearchQuery) || setting.Key.Contains(SearchQuery) || setting.Label?.Contains(SearchQuery) == true || setting.Value?.Contains(SearchQuery) == true).ToList();
+    private List<ConfigurationSetting> FilteredConfigurationSettings => ConfigurationSettings.Where(setting => string.IsNullOrEmpty(SearchQuery) || setting.Key.Contains(SearchQuery) || setting.Label?.Contains(SearchQuery) == true || setting.Value?.Contains(SearchQuery) == true).OrderBy(setting => setting.Key).ToList();
 
     private bool IsValuesHidden { get; set; } = true;