Only load datetimepicker when neccesary

gulpfile.babel.js

@@ -303,5 +303,20 @@ function bundle(cb)
 		.pipe(dest('.release'))
 }
 
-
+export default publish;
-export { build, js, vendor, viewjs, css, live, clean, resourceFileCopy, copyLocales, publish, release, bundle, makeLocales }
+export
+{
+	build,
+	js,
+	vendor,
+	viewjs,
+	css,
+	live,
+	clean,
+	resourceFileCopy,
+	copyLocales,
+	publish,
+	release,
+	bundle,
+	makeLocales
+}

js/components/userfieldsform.js

@@ -3,8 +3,10 @@ import { LoadImagesLazy } from '../configs/lazy'
 
 function userfieldsform(Grocy)
 {
-	Grocy.Use("datetimepicker");
+	if (document.querySelector('.datetimepicker-input') !== null)
-
+	{
+		Grocy.Use("datetimepicker");
+	}
 	Grocy.Components.UserfieldsForm = {};
 
 	Grocy.Components.UserfieldsForm.Save = function(success, error)