Update DefaultDynamicLinqCustomTypeProvider constructor to be compati…

…ble with microsoft/RulesEngine (#833)

* Update DefaultDynamicLinqCustomTypeProvider to make ParsingConfig optional

* Obsolete

src/System.Linq.Dynamic.Core/CustomTypeProviders/DefaultDynamicLinqCustomTypeProvider.cs

@@ -22,14 +22,24 @@ public class DefaultDynamicLinqCustomTypeProvider : AbstractDynamicLinqCustomTyp
     private HashSet<Type>? _cachedCustomTypes;
     private Dictionary<Type, List<MethodInfo>>? _cachedExtensionMethods;
 
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DefaultDynamicLinqCustomTypeProvider"/> class.
+    /// Backwards compatibility for issue https://github.com/zzzprojects/System.Linq.Dynamic.Core/issues/830.
+    /// </summary>
+    /// <param name="cacheCustomTypes">Defines whether to cache the CustomTypes (including extension methods) which are found in the Application Domain. Default set to 'true'.</param>
+    [Obsolete("Please use the DefaultDynamicLinqCustomTypeProvider(ParsingConfig config, bool cacheCustomTypes = true) constructor.")]
+    public DefaultDynamicLinqCustomTypeProvider(bool cacheCustomTypes = true) : this(ParsingConfig.Default, cacheCustomTypes)
+    {
+    }
+
     /// <summary>
     /// Initializes a new instance of the <see cref="DefaultDynamicLinqCustomTypeProvider"/> class.
     /// </summary>
     /// <param name="config">The parsing configuration.</param>
     /// <param name="cacheCustomTypes">Defines whether to cache the CustomTypes (including extension methods) which are found in the Application Domain. Default set to 'true'.</param>
     public DefaultDynamicLinqCustomTypeProvider(ParsingConfig config, bool cacheCustomTypes = true)
     {
-        _assemblyHelper = new DefaultAssemblyHelper(config);
+        _assemblyHelper = new DefaultAssemblyHelper(Check.NotNull(config));
         _cacheCustomTypes = cacheCustomTypes;
     }