fix(tracking): super-bind the sendBeacon to navigator

Another attempt to fix our `navigator.sendBeacon` `IllegalInvocation` woes.

Author: Josh Goldberg

packages/tracking/src/events/track.ts

@@ -24,9 +24,12 @@ export const createTracker = ({ apiBaseUrl, verbose }: TrackerOptions) => {
     }
 
     // Firefox allows users to disable navigator.sendBeacon, and very old Safari versions don't have it.
-    // [WEB-1700]: Additionally, Chrome 79-80 gives "Illegal invocation" with ?., so through 2022 we should support them.
-    // eslint-disable-next-line @typescript-eslint/prefer-optional-chain
-    if (navigator.sendBeacon && navigator.sendBeacon(uri, form)) {
+    const sendBeacon =
+      // [WEB-1700]: Additionally, Chrome 79-80 gives "Illegal invocation" with ?., so through 2022 we should support them.
+      // It seems similar to this: https://github.com/vercel/next.js/issues/23856
+      // eslint-disable-next-line @typescript-eslint/prefer-optional-chain
+      navigator.sendBeacon && navigator.sendBeacon.bind(navigator);
+    if (sendBeacon?.(uri, form)) {
       return;
     }