update export_touchsettings.png (#3222)

* Update export_touchsettings.png

in section "Preparing the project", update first screenshot of "Project Settings" dialog to show "Emulate Touch From Mouse" enabled

* add screenshot showing "Export With Debug" option unchecked

To a new Godot user, it may not be obvious where the "Export With Debug" setting is; this screenshot should make it clearer.

possibly related to https://github.com/godotengine/godot/issues/19260

getting_started/step_by_step/exporting.rst

@@ -415,6 +415,8 @@ to wait a few moments while the game loads before you see the start screen.
 The console window beneath the game tells you if anything goes wrong. You can
 disable it by setting "Export With Debug" off when you export the project.
 
+.. image:: img/export_web_export_with_debug_disabled.png
+
 .. note:: While WASM is supported in all major browsers, it is still an emerging
           technology and you may find some things that don't work. Make sure
           you have updated your browser to the most recent version, and report