### 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
Dictionary missing_resource_properties = p_node->get_meta(META_MISSING_RESOURCES, Dictionary());
	for (const PropertyInfo &E : plist) {
		if (!(E.usage & PROPERTY_USAGE_STORAGE)) {
			continue;
		}
		if (E.name == META_PROPERTY_MISSING_RESOURCES) {
			continue; 
		}
		if (E.name.begins_with(PackedScene::META_POINTER_PROPERTY_BASE)) {
			continue; 
		}
		
		if (!states_stack.is_empty()) {
			if ((E.usage & PROPERTY_USAGE_NO_INSTANCE_STATE)) {
				continue;
			}
		}
		StringName name = E.name;
		Variant value = p_node->get(name);
		bool use_deferred_node_path_bit = false;
		if (E.type == Variant::OBJECT && E.hint == PROPERTY_HINT_NODE_TYPE) {
			value = p_node->get(PackedScene::META_POINTER_PROPERTY_BASE + E.name);
			if (value.get_type() != Variant::NODE_PATH) {
				continue; 
			}
			use_deferred_node_path_bit = true;
		} else if (E.type == Variant::OBJECT && missing_resource_properties.has(E.name)) {
			
			Ref<Resource> ures = value;
			if (ures.is_null()) {