### 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
editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::QUATERNION: {
					EditorPropertyQuaternion *editor = memnew(EditorPropertyQuaternion);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::AABB: {
					EditorPropertyAABB *editor = memnew(EditorPropertyAABB);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::BASIS: {
					EditorPropertyBasis *editor = memnew(EditorPropertyBasis);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::TRANSFORM3D: {
					EditorPropertyTransform3D *editor = memnew(EditorPropertyTransform3D);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				case Variant::PROJECTION: {
					EditorPropertyProjection *editor = memnew(EditorPropertyProjection);
					editor->setup(-100000, 100000, default_float_step, true);
					prop = editor;
				} break;
				
				case Variant::COLOR: {