fix(sync): Use requestAnimationFrame to ensure event handler is attached before event

mozilla / fxa

Monorepo for Mozilla Accounts (formerly Firefox Accounts)

https://mozilla.github.io/ecosystem-platform/

Mozilla Public License 2.0

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Closed LZoog closed 1 month ago

LZoog commented 1 month ago

Because:

Android responds immediately to the can_link_account message and we don't appear to always have the event listener attached

This fix:

Adds requestAnimationFrame, as we have needed to use this a couple of times before for testing when the response back was immediate

fixes FXA-10057