Allow existing settings to be bulk reset (#394)

* Allow existing settings to be bulk reset

* The box should also be checked

... so it can be unchecked

* Only check for checked once

IntroSkipper/Configuration/configPage.html

@@ -1450,6 +1450,10 @@
                         persistSkipChanged();
                         generateAutoSkipTypeList();
                         generateAutoSkipClientList();
+                        const pluginSkip = document.getElementById("PluginSkip");
+                        pluginSkip.checked = pluginSkip.checked
+                            || document.getElementById("AutoSkip").checked
+                            || document.getElementById("SkipButtonEnabled").checked
                         pluginSkipSettingChanged();
 
                         Dashboard.hideLoadingMsg();