Allow uritransform to process the hash part of a URL

Related issue:
uBlockOrigin/uBlock-issues#3084

src/js/static-net-filtering.js

@@ -5309,13 +5309,16 @@ FilterContainer.prototype.transformRequest = function(fctxt) {
  const cache = refs.$cache;
  if ( cache === undefined ) { return; }
  const redirectURL = new URL(fctxt.url);
- const before = redirectURL.pathname + redirectURL.search;
+ const before = `${redirectURL.pathname}${redirectURL.search}${redirectURL.hash}`;
  if ( cache.re.test(before) !== true ) { return; }
  const after = before.replace(cache.re, cache.replacement);
  if ( after === before ) { return; }
- const searchPos = after.includes('?') && after.indexOf('?') || after.length;
- redirectURL.pathname = after.slice(0, searchPos);
- redirectURL.search = after.slice(searchPos);
+ const hashPos = after.indexOf('#');
+ redirectURL.hash = hashPos !== -1 ? after.slice(hashPos) : '';
+ const afterMinusHash = hashPos !== -1 ? after.slice(0, hashPos) : after;
+ const searchPos = afterMinusHash.indexOf('?');
+ redirectURL.search = searchPos !== -1 ? afterMinusHash.slice(searchPos) : '';
+ redirectURL.pathname = searchPos !== -1 ? after.slice(0, searchPos) : after;
  fctxt.redirectURL = redirectURL.href;
  return directives;
 };