Don't block querying over DateOnly/TimeOnly in JSON (#2149)

Though until System.Text.Json supports DateOnly/TimeOnly, converters
must be used.

Fixes #2148

Author: roji

src/EFCore.PG/Query/ExpressionTranslators/Internal/NpgsqlJsonPocoTranslator.cs

@@ -123,7 +123,10 @@ private SqlExpression ConvertFromText(SqlExpression expression, Type returnType)
                 return _sqlExpressionFactory.Convert(expression, returnType, _typeMappingSource.FindMapping(returnType, _model));
         }
 
-        if (unwrappedReturnType == typeof(Guid) || unwrappedReturnType == typeof(DateTimeOffset))
+        if (unwrappedReturnType == typeof(Guid)
+            || unwrappedReturnType == typeof(DateTimeOffset)
+            || unwrappedReturnType == typeof(DateOnly)
+            || unwrappedReturnType == typeof(TimeOnly))
         {
             return _sqlExpressionFactory.Convert(expression, returnType, _typeMappingSource.FindMapping(returnType, _model));
         }