### Godot version

9f12e7b52d944

### System information

arch linux

### Issue description

Attempting to edit from the editor a typed array exported from a tool script fails, any value is immediately reset, setters are never called.

### Steps to reproduce

Create a script such as follows and try to add and then change items of the array in the inspector.


```gdscript
@tool
extends Node

@export var x: Array[String]
```

### Minimal reproduction project

n/a
GDCLASS(EditorPropertyFloat, EditorProperty);
	EditorSpinSlider *spin = nullptr;
	bool setting = false;
	bool angle_in_radians = false;
	void _value_changed(double p_val);
protected:
	virtual void _set_read_only(bool p_read_only) override;
	static void _bind_methods();
public:
	virtual void update_property() override;
	void setup(double p_min, double p_max, double p_step, bool p_hide_slider, bool p_exp_range, bool p_greater, bool p_lesser, const String &p_suffix = String(), bool p_angle_in_radians = false);
	EditorPropertyFloat();
};
class EditorPropertyEasing : public EditorProperty {
	GDCLASS(EditorPropertyEasing, EditorProperty);
	Control *easing_draw = nullptr;
	PopupMenu *preset = nullptr;
	EditorSpinSlider *spin = nullptr;
	bool setting = false;
	bool dragging = false;
	bool full = false;
	bool flip = false;
	bool positive_only = false;
	enum {