Keep slider category open on reload

[micker]

hello relevant to this post https://www.flexicontent.org/forum/20-general-support/58296-coookies-category-slider.html i think we need to update cookie methode here https://github.com/FLEXIcontent/flexicontent-cck/blob/14756b79aee46af41acd2fc3079282ce52ae300a/site/tmpl_common/listings_filter_form_html5.php#L94

• change loading for jquery jQuery(document).ready(function()
• check id to