[FF] Very long rules not working

Very big rules in FF extension do not work. After pasting them and rechecking them they are not displayed fully and therefore not working on the site. If the rule is pasted into browser console, it is doing what it is supposed to.

`facebook.com,facebookcorewwi.onion#%#!function(){var e=new MutationObserver(function(){var m=document.querySelectorAll("div[id^='mount_']");{var e;e=0 div[data-pagelet^="FeedUnit"] > div[class]:not([style*="height"])'):document.querySelectorAll('[id^="substream"] > div:not(.hidden_elem) div[id^="hyperfeed_story_id"]')}e.forEach(function(e){function n(e,n){for(0 a > span > span > span[data-content]')).length&&(h=e.querySelectorAll('div[role="article"] span[dir="auto"] > a > span[aria-label]')):h=e.querySelectorAll(".userContentWrapper h5 + div[data-testid] a [class] [class]"),socheck=0;socheck a > span > span > span[data-content]')).length&&(h=e.querySelectorAll('div[role="article"] span[dir="auto"] div[role="button"][tabindex]')):h=e.querySelectorAll(".userContentWrapper h5 + div[data-testid] > span a > [class] [class]"),"0"==h.length&&(h=e.querySelectorAll('div[role="article"] span[dir="auto"] > a > span[aria-label]')),socheck=0;socheck a > span span[data-content='+n+"]"),p=e.querySelectorAll('div[role="article"] span[dir="auto"] > a > span span[data-content='+t+"]"),d=e.querySelectorAll('div[role="article"] span[dir="auto"] > a > span span[data-content='+c+"]"),e.querySelectorAll('div[role="article"] span[dir="auto"] > a > span span[data-content='+a+"]")):(h=e.querySelectorAll(".userContentWrapper h5 + div[data-testid] a [data-content="+n+"]"),p=e.querySelectorAll(".userContentWrapper h5 + div[data-testid] a [data-content="+t+"]"),d=e.querySelectorAll(".userContentWrapper h5 + div[data-testid] a [data-content="+c+"]"),e.querySelectorAll(".userContentWrapper h5 + div[data-testid] a [data-content="+a+"]"))}var s=0,l=0,r=0,i=0,h=0,p=0,d=0,u=0,a=e.querySelectorAll("div[style='width: 100%'] > a[href*='oculus.com/quest'] > div"),o=document.querySelector("[lang]"),k=document.querySelectorAll("link[rel='preload'][href*='/l/']");o=o?document.querySelector("[lang]").lang:"en";var y,g=e.querySelectorAll('a[ajaxify*="ad_id"] > span'),f=e.querySelectorAll('a[href*="ads/about"]'),S=e.querySelectorAll('a[href*="https://www.facebook.com/business/help"]');if("display: none !important;"!=e.getAttribute("style")&&!e.classList.contains("hidden_elem")&&(0