wp-multisite-waas/assets/js/setup-wizard-polyfill.min.js

let wu_block_ui_polyfill=function(o){jQuery(o).wu_block({message:'<span style="float: none;" class="spinner is-active wu-float-none"></span>',overlayCSS:{backgroundColor:"#FFF",opacity:.6},css:{padding:0,margin:0,width:"50%",fontSize:"14px !important",top:"40%",left:"35%",textAlign:"center",color:"#000",border:"none",backgroundColor:"none",cursor:"wait"}});const n=jQuery(o);return n.unblock=jQuery(o).wu_unblock,n};!function(o){o(document).ready((function(){jQuery('[role="tooltip"]').tipTip({attribute:"aria-label"}),o("#poststuff").on("submit","form",(function(){wu_block_ui_polyfill(o(this))}))}))}(jQuery);