### 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
} else {
				EditorPropertyText *editor = memnew(EditorPropertyText);
				if (p_hint == PROPERTY_HINT_PLACEHOLDER_TEXT) {
					editor->set_placeholder(p_hint_text);
				} else if (p_hint == PROPERTY_HINT_PASSWORD) {
					editor->set_secret(true);
					editor->set_placeholder(p_hint_text);
				}
				return editor;
			}
		} break;
			
		case Variant::VECTOR2: {
			EditorPropertyVector2 *editor = memnew(EditorPropertyVector2(p_wide));
			EditorPropertyRangeHint hint = _parse_range_hint(p_hint, p_hint_text, default_float_step);
			editor->setup(hint.min, hint.max, hint.step, hint.hide_slider, p_hint == PROPERTY_HINT_LINK, hint.suffix);
			return editor;
		} break;
		case Variant::VECTOR2I: {
			EditorPropertyVector2i *editor = memnew(EditorPropertyVector2i(p_wide));
			EditorPropertyRangeHint hint = _parse_range_hint(p_hint, p_hint_text, 1, true);
			editor->setup(hint.min, hint.max, 1, true, p_hint == PROPERTY_HINT_LINK, hint.suffix);
			return editor;
		} break;
		case Variant::RECT2: {
			EditorPropertyRect2 *editor = memnew(EditorPropertyRect2(p_wide));
			EditorPropertyRangeHint hint = _parse_range_hint(p_hint, p_hint_text, default_float_step);
			editor->setup(hint.min, hint.max, hint.step, hint.hide_slider, hint.suffix);
			return editor;
		} break;