Merge pull request #6752 from hsandt/gdscript_exports-fix

Fix gdscript_exports @export_node_path example by adding quotes

tutorials/scripting/gdscript/gdscript_exports.rst

@@ -224,7 +224,7 @@ annotation:
 
 ::
 
-    @export_node_path(Button, TouchScreenButton) var some_button
+    @export_node_path("Button", "TouchScreenButton") var some_button
 
 Resources
 ---------