new replay UI demo

[jerryzhou196]

REPLAY-814 - new replay UI demo

IGNORE THIS PR - this is purely to be deployed as a preview on branch

[codecov]

❌ 2 Tests Failed:

Tests completed	Failed	Passed	Skipped
12739	2	12737	10

View the top 2 failed test(s) by shortest run time

replayDetailsUserBadge should hide LIVE badge when last received segment is more than 5 minutes ago

Stack Traces | 0.027s run time

Error: expect(received).toBeVisible()

received value must be an HTMLElement or an SVGElement.
Received has value: null
    at __EXTERNAL_MATCHER_TRAP__ (.../sentry/node_modules/.pnpm/expect@30.0..../expect/build/index.js:2237:22)
    at Object.throwingMatcher [as toBeVisible] (.../sentry/node_modules/.pnpm/expect@30.0..../expect/build/index.js:2238:6)
    at Object.toBeVisible (.../detail/header/replayDetailsUserBadge.spec.tsx:305:48)

replayDetailsUserBadge should show LIVE badge when last received segment is within 5 minutes

Stack Traces | 0.055s run time

Error: expect(received).toBeVisible()

received value must be an HTMLElement or an SVGElement.
Received has value: null
    at __EXTERNAL_MATCHER_TRAP__ (.../sentry/node_modules/.pnpm/expect@30.0..../expect/build/index.js:2237:22)
    at Object.throwingMatcher [as toBeVisible] (.../sentry/node_modules/.pnpm/expect@30.0..../expect/build/index.js:2238:6)
    at Object.toBeVisible (.../detail/header/replayDetailsUserBadge.spec.tsx:238:48)

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