Bug 1778125 - update the SmartBlock Branch shim to accept a callback as the last argument of the init method regardless of number of arguments; r=ksenia,webcompat-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D151412

browser/extensions/webcompat/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "Web Compatibility Interventions",
   "description": "Urgent post-release fixes for web compatibility.",
-  "version": "103.4.0",
+  "version": "103.5.0",
   "applications": {
     "gecko": {
       "id": "webcompat@mozilla.org",

browser/extensions/webcompat/shims/branch.js

@@ -49,8 +49,11 @@ if (!window?.branch?.b) {
     first() {}
     getBrowserFingerprintId() {}
     getCode() {}
-    init(key, cb) {
-      cb?.(undefined, {});
+    init(key, ...args) {
+      const cb = args.pop();
+      if (typeof cb === "function") {
+        cb(undefined, {});
+      }
     }
     lastAttributedTouchData() {}
     link() {}