fix(replay): Fix `onError` callback

[billyvg]

This fixes the onError callback added in https://github.com/getsentry/sentry-javascript/pull/13721 -- the option itself was not being propagated to the replay options.

[codecov[bot]]

:x: 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
634	1	633	31

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replay/dsc/test.ts should add replay_id to dsc of transactions when in session mode

Stack Traces | 1.15s run time

test.ts:19:11 should add replay_id to dsc of transactions when in session mode

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