Merge pull request #18061 from Chaosus/fixbug

Fix crash when click on any inspector entry that takes Resource

editor/property_editor.cpp

@@ -882,7 +882,12 @@ bool CustomPropertyEditor::edit(Object *p_owner, const String &p_name, Variant::
 			} else if (hint_text != "") {
 				int idx = 0;
 
-				const Vector<EditorData::CustomType> custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
+				Vector<EditorData::CustomType> custom_resources;
+
+				if (EditorNode::get_editor_data().get_custom_types().has("Resource")) {
+					custom_resources = EditorNode::get_editor_data().get_custom_types()["Resource"];
+				}
+
 				for (int i = 0; i < hint_text.get_slice_count(","); i++) {
 
 					String base = hint_text.get_slice(",", i);