Fix ok button for non-English language (#3020)

The ok button ID was accidentally translated, so that it failed with any language where it was not translated with "ok".

motioneye/static/js/main.js

@@ -3552,7 +3552,7 @@ function getCameraIds() {
 function runAlertDialog(message, onOk, options) {
     var params = {
         title: message,
-        buttons: i18n.gettext('bone'),
+        buttons: 'ok',
         onOk: onOk
     };