### Godot version

v4.0.beta16.official [518b9e580]

### System information

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### Issue description

The description of `Control._has_point(position)`-virtual function is outdated likely due to #66688. 

> Note: If you want to check if a point is inside the control, you can use `get_rect().has_point(point)`.

After #66688, get_rect() returns the Controls rect relative to its parent, while the point is relative to the Control.

Also, the note refers to `point` while it likely should refer to the parameter `position`. That said, in this case, I think the incorrect name is better and the parameter of the function should be changed to`point` to avoid shadowing `Control.position`.

Suggested fixes:
1. Change the note to match the new behavior (`Rect2(Vector2.ZERO, size).has_point(point)` should work; verify) OR introduce `get_local_rect()` that matches the old behavior and recommend using it instead.
2. Change the name of the `position` parameter to `point` in `Control._has_point(position)`

### Steps to reproduce

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### Minimal reproduction project

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BIND_ENUM_CONSTANT(GROW_DIRECTION_BOTH);
	BIND_ENUM_CONSTANT(ANCHOR_BEGIN);
	BIND_ENUM_CONSTANT(ANCHOR_END);
	BIND_ENUM_CONSTANT(LAYOUT_DIRECTION_INHERITED);
	BIND_ENUM_CONSTANT(LAYOUT_DIRECTION_LOCALE);
	BIND_ENUM_CONSTANT(LAYOUT_DIRECTION_LTR);
	BIND_ENUM_CONSTANT(LAYOUT_DIRECTION_RTL);
	BIND_ENUM_CONSTANT(TEXT_DIRECTION_INHERITED);
	BIND_ENUM_CONSTANT(TEXT_DIRECTION_AUTO);
	BIND_ENUM_CONSTANT(TEXT_DIRECTION_LTR);
	BIND_ENUM_CONSTANT(TEXT_DIRECTION_RTL);
	ADD_SIGNAL(MethodInfo("resized"));
	ADD_SIGNAL(MethodInfo("gui_input", PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent")));
	ADD_SIGNAL(MethodInfo("mouse_entered"));
	ADD_SIGNAL(MethodInfo("mouse_exited"));
	ADD_SIGNAL(MethodInfo("focus_entered"));
	ADD_SIGNAL(MethodInfo("focus_exited"));
	ADD_SIGNAL(MethodInfo("size_flags_changed"));
	ADD_SIGNAL(MethodInfo("minimum_size_changed"));
	ADD_SIGNAL(MethodInfo("theme_changed"));
	GDVIRTUAL_BIND(_has_point, "position");
	GDVIRTUAL_BIND(_structured_text_parser, "args", "text");
	GDVIRTUAL_BIND(_get_minimum_size);
	GDVIRTUAL_BIND(_get_drag_data, "at_position");
	GDVIRTUAL_BIND(_can_drop_data, "at_position", "data");
	GDVIRTUAL_BIND(_drop_data, "at_position", "data");
	GDVIRTUAL_BIND(_make_custom_tooltip, "for_text");
	GDVIRTUAL_BIND(_gui_input, "event");
}
Control::Control() {