LibJS: Add the Symbol.species getter to the appropriate built-ins

Userland/Libraries/LibJS/Runtime/ArrayConstructor.cpp

@@ -37,6 +37,8 @@ void ArrayConstructor::initialize(GlobalObject& global_object)
     define_native_function(vm.names.from, from, 1, attr);
     define_native_function(vm.names.isArray, is_array, 1, attr);
     define_native_function(vm.names.of, of, 0, attr);
+
+    define_native_property(vm.well_known_symbol_species(), symbol_species_getter, {}, Attribute::Configurable);
 }
 
 Value ArrayConstructor::call()
@@ -151,4 +153,9 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayConstructor::of)
     return array;
 }
 
+JS_DEFINE_NATIVE_GETTER(ArrayConstructor::symbol_species_getter)
+{
+    return vm.this_value(global_object);
+}
+
 }