### Godot version

v4.0.beta16.official [518b9e580]

### System information

-

### 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The description of `Control._has_point(position)`-virtual function is outdated likely due to #66688.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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ERR_FAIL_COND((p_state.size() <= 0) ||
			!p_state.has("rotation") || !p_state.has("scale") ||
			!p_state.has("pivot") || !p_state.has("anchors") || !p_state.has("offsets") ||
			!p_state.has("layout_mode") || !p_state.has("anchors_layout_preset"));
	Dictionary state = p_state;
	set_rotation(state["rotation"]);
	set_scale(state["scale"]);
	set_pivot_offset(state["pivot"]);
	Array anchors = state["anchors"];
	
	LayoutMode _layout = (LayoutMode)(int)state["layout_mode"];
	if (_layout == LayoutMode::LAYOUT_MODE_POSITION) {
		bool anchors_mode = ((real_t)anchors[0] != 0.0 || (real_t)anchors[1] != 0.0 || (real_t)anchors[2] != 0.0 || (real_t)anchors[3] != 0.0);
		if (anchors_mode) {
			_layout = LayoutMode::LAYOUT_MODE_ANCHORS;
		}
	}
	_set_layout_mode(_layout);
	if (_layout == LayoutMode::LAYOUT_MODE_ANCHORS || _layout == LayoutMode::LAYOUT_MODE_UNCONTROLLED) {
		_set_anchors_layout_preset((int)state["anchors_layout_preset"]);
	}
	data.anchor[SIDE_LEFT] = anchors[0];
	data.anchor[SIDE_TOP] = anchors[1];
	data.anchor[SIDE_RIGHT] = anchors[2];