fix: Clear timeouts on SecuredFieldsProvider when unmounting the component #2334
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Summary
SecuredFieldsProvider uses timeouts to check whether SecureFields are loaded properly. Those timeouts are not cleared when the component unmounts which causes issues if the fields have already been unmounted. This triggers the onError handler in cases where it should not.
Tested scenarios
Mounting and almost immediately unmounting adyen drop-in triggers the onError handler.