### 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
String type = base_type;
	Callable callable = get_edited_property_value();
	edit->set_text("Callable");
	edit->set_disabled(true);
	edit->set_icon(get_theme_icon(SNAME("Callable"), SNAME("EditorIcons")));
}
void EditorPropertyCallable::_bind_methods() {
}
EditorPropertyCallable::EditorPropertyCallable() {
	edit = memnew(Button);
	add_child(edit);
	add_focusable(edit);
}
void EditorPropertyFloat::_set_read_only(bool p_read_only) {
	spin->set_read_only(p_read_only);
}
void EditorPropertyFloat::_value_changed(double val) {
	if (setting) {
		return;
	}
	if (angle_in_radians) {
		val = Math::deg_to_rad(val);
	}
	emit_changed(get_edited_property(), val);
}
void EditorPropertyFloat::update_property() {