Add a setting hint for the Output panel font size

This closes #21237.

editor/editor_settings.cpp

@@ -575,6 +575,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("run/auto_save/save_before_running", true);
 
 	// Output
+	hints["run/output/font_size"] = PropertyInfo(Variant::INT, "run/output/font_size", PROPERTY_HINT_RANGE, "8,96,1", PROPERTY_USAGE_DEFAULT);
 	_initial_set("run/output/always_clear_output_on_play", true);
 	_initial_set("run/output/always_open_output_on_play", true);
 	_initial_set("run/output/always_close_output_on_stop", false);