Improve null and object printing to avoid confusion with arrays

- Use different syntax for object printing to avoid confusion with arrays.
- Print null as `<null>` to avoid confusion with a string `"null"`.
- Display `<empty>` in editor resource pickers to avoid confusion
  with array-based properties.

1 files changed, 1 insertions, 1 deletions

diff --git a/core/object/object.cpp b/core/object/object.cpp
index 4f7f55c8b6..33208be539 100644
--- a/core/object/object.cpp
+++ b/core/object/object.cpp
@@ -811,7 +811,7 @@ String Object::to_string() {
 		_extension->to_string(_extension_instance, &ret);
 		return ret;
 	}
-	return "[" + get_class() + ":" + itos(get_instance_id()) + "]";
+	return "<" + get_class() + "#" + itos(get_instance_id()) + ">";
 }
 
 void Object::set_script_and_instance(const Variant &p_script, ScriptInstance *p_instance) {