### 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The description of `Control._has_point(position)`-virtual function is outdated likely due to #66688.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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data.theme_color_override[p_name] = p_color;
	_notify_theme_override_changed();
}
void Control::add_theme_constant_override(const StringName &p_name, int p_constant) {
	data.theme_constant_override[p_name] = p_constant;
	_notify_theme_override_changed();
}
void Control::remove_theme_icon_override(const StringName &p_name) {
	if (data.theme_icon_override.has(p_name)) {
		data.theme_icon_override[p_name]->disconnect("changed", callable_mp(this, &Control::_notify_theme_override_changed));
	}
	data.theme_icon_override.erase(p_name);
	_notify_theme_override_changed();
}
void Control::remove_theme_style_override(const StringName &p_name) {
	if (data.theme_style_override.has(p_name)) {
		data.theme_style_override[p_name]->disconnect("changed", callable_mp(this, &Control::_notify_theme_override_changed));
	}
	data.theme_style_override.erase(p_name);
	_notify_theme_override_changed();
}
void Control::remove_theme_font_override(const StringName &p_name) {
	if (data.theme_font_override.has(p_name)) {
		data.theme_font_override[p_name]->disconnect("changed", callable_mp(this, &Control::_notify_theme_override_changed));
	}
	data.theme_font_override.erase(p_name);
	_notify_theme_override_changed();
}
void Control::remove_theme_font_size_override(const StringName &p_name) {