Fixes is_pressed when holding double click.

main/input_default.cpp

@@ -276,7 +276,7 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
 
 	Ref<InputEventMouseButton> mb = p_event;
 
-	if (mb.is_valid() && !mb->is_doubleclick()) {
+	if (mb.is_valid()) {
 
 		if (mb->is_pressed()) {
 			mouse_button_mask |= (1 << (mb->get_button_index() - 1));