fixup! Bug 27476: Implement about:torconnect captive portal within Tor Browser

browser/base/content/browser.js

browser/base/content/browser.xhtml

browser/base/content/navigator-toolbox.inc.xhtml

browser/components/about/AboutRedirector.cpp

browser/components/about/components.conf

browser/components/moz.build

browser/components/torconnect/jar.mn

browser/components/urlbar/UrlbarInput.sys.mjs

browser/modules/URILoadingHelper.sys.mjs

docshell/base/nsAboutRedirector.cpp

docshell/build/components.conf

toolkit/actors/AboutHttpsOnlyErrorParent.sys.mjs

toolkit/actors/NetErrorParent.sys.mjs

toolkit/components/moz.build

toolkit/components/torconnect/TorConnectChild.sys.mjs

toolkit/components/torconnect/TorConnectParent.sys.mjs

toolkit/components/torconnect/content/aboutTorConnect.css

toolkit/components/torconnect/content/aboutTorConnect.js

toolkit/components/torconnect/content/aboutTorConnect.xhtml

toolkit/components/torconnect/content/arrow-right.svg