From 94c5e76c737293963fdde34550e9eef9b8e3f46e Mon Sep 17 00:00:00 2001
From: ajreckof <66184050+ajreckof@users.noreply.github.com>
Date: Sat, 15 Apr 2023 01:43:45 +0200
Subject: [PATCH] keep type after adding item

---
 editor/editor_properties_array_dict.cpp | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/editor/editor_properties_array_dict.cpp b/editor/editor_properties_array_dict.cpp
index 8897f13b0eb3..414c9f8211ab 100644
--- a/editor/editor_properties_array_dict.cpp
+++ b/editor/editor_properties_array_dict.cpp
@@ -794,10 +794,21 @@ void EditorPropertyDictionary::_add_key_value() {
 	}
 
 	Dictionary dict = object->get_dict().duplicate();
-	dict[object->get_new_item_key()] = object->get_new_item_value();
-	object->set_new_item_key(Variant());
-	object->set_new_item_value(Variant());
-
+	Variant new_key = object->get_new_item_key();
+	if (!dict.has(new_key)) {
+		Variant new_value = object->get_new_item_value();
+		dict[new_key] = new_value;
+
+		Variant::Type type = new_key.get_type();
+		new_key.zero();
+		VariantInternal::initialize(&new_key, type);
+		object->set_new_item_key(new_key);
+
+		type = new_value.get_type();
+		new_value.zero();
+		VariantInternal::initialize(&new_value, type);
+		object->set_new_item_value(new_value);
+	}
 	emit_changed(get_edited_property(), dict, "", false);
 	update_property();
 }