fixup! Bug 2176: Rebrand Firefox to TorBrowser

Bug 41910: Restore tor browser help link in about:preferences.

toolkit/content/widgets/moz-support-link/moz-support-link.mjs

@@ -103,6 +103,19 @@ export default class MozSupportLink extends HTMLAnchorElement {
 
   #setHref() {
     let supportPage = this.getAttribute("support-page") ?? "";
+    // For tor-browser we sometimes want to override firefox support links with
+    // our own.
+    // See tor-browser#40899.
+    switch (supportPage) {
+      case "preferences":
+        // Shown twice in preferences, both as `{ -brand-short-name } Support`.
+        // Instead of directing to support for preferences, we link to general
+        // tor browser support.
+        // See tor-browser#32092.
+        this.href = "https://support.torproject.org/tbb"
+        return;
+      // Fall through to support.mozilla.org
+    }
     let base = MozSupportLink.SUPPORT_URL + supportPage;
     this.href = this.hasAttribute("utm-content")
       ? formatUTMParams(this.getAttribute("utm-content"), base)