### 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
void _resource_changed(const Ref<Resource> &p_resource);
	void _viewport_selected(const NodePath &p_path);
	void _sub_inspector_property_keyed(const String &p_property, const Variant &p_value, bool p_advance);
	void _sub_inspector_resource_selected(const Ref<Resource> &p_resource, const String &p_property);
	void _sub_inspector_object_id_selected(int p_id);
	void _open_editor_pressed();
	void _update_property_bg();
	void _update_preferred_shader();
protected:
	virtual void _set_read_only(bool p_read_only) override;
	void _notification(int p_what);
public:
	virtual void update_property() override;
	void setup(Object *p_object, const String &p_path, const String &p_base_type);
	void collapse_all_folding() override;
	void expand_all_folding() override;
	void expand_revertable() override;
	void set_use_sub_inspector(bool p_enable);
	void fold_resource();
	EditorPropertyResource();
};
class EditorInspectorDefaultPlugin : public EditorInspectorPlugin {
	GDCLASS(EditorInspectorDefaultPlugin, EditorInspectorPlugin);
public:
	virtual bool can_handle(Object *p_object) override;
	virtual bool parse_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide = false) override;
	static EditorProperty *get_editor_for_property(Object *p_object, const Variant::Type p_type, const String &p_path, const PropertyHint p_hint, const String &p_hint_text, const BitField<PropertyUsageFlags> p_usage, const bool p_wide = false);
};
#endif