fix(browser): Always start navigation as root span

[s1gr1d]

fixes #17450

[github-actions]

size-limit report 📦

Path	Size	% Change	Change
@sentry/browser	24.19 kB	-	-
@sentry/browser - with treeshaking flags	22.75 kB	-	-
@sentry/browser (incl. Tracing)	40.2 kB	+0.03%	+10 B 🔺
@sentry/browser (incl. Tracing, Replay)	78.56 kB	+0.02%	+15 B 🔺
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	68.29 kB	+0.03%	+14 B 🔺
@sentry/browser (incl. Tracing, Replay with Canvas)	83.23 kB	+0.02%	+16 B 🔺
@sentry/browser (incl. Tracing, Replay, Feedback)	95.45 kB	+0.02%	+16 B 🔺
@sentry/browser (incl. Feedback)	40.91 kB	-	-
@sentry/browser (incl. sendFeedback)	28.84 kB	-	-
@sentry/browser (incl. FeedbackAsync)	33.78 kB	-	-
@sentry/react	25.91 kB	-	-
@sentry/react (incl. Tracing)	42.19 kB	+0.03%	+10 B 🔺
@sentry/vue	28.68 kB	-	-
@sentry/vue (incl. Tracing)	42.01 kB	+0.03%	+10 B 🔺
@sentry/svelte	24.22 kB	-	-
CDN Bundle	25.77 kB	-	-
CDN Bundle (incl. Tracing)	40.09 kB	+0.03%	+12 B 🔺
CDN Bundle (incl. Tracing, Replay)	76.3 kB	+0.02%	+11 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback)	81.81 kB	+0.02%	+13 B 🔺
CDN Bundle - uncompressed	75.28 kB	-	-
CDN Bundle (incl. Tracing) - uncompressed	118.61 kB	+0.04%	+36 B 🔺
CDN Bundle (incl. Tracing, Replay) - uncompressed	233.71 kB	+0.02%	+36 B 🔺
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	246.47 kB	+0.02%	+36 B 🔺
@sentry/nextjs (client)	44.19 kB	+0.03%	+10 B 🔺
@sentry/sveltekit (client)	40.63 kB	+0.03%	+10 B 🔺
@sentry/node-core	49.86 kB	-	-
@sentry/node	151.14 kB	+0.01%	+1 B 🔺
@sentry/node - without tracing	91.75 kB	-0.01%	-1 B 🔽
@sentry/aws-serverless	105.19 kB	-	-

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[Lms24]

Thanks for fixing! As discussed offline, I think for now this is a valid fix.

[Lms24]

l: can we use waitForTransactionRequest here, too? (I just think it's better practise to wait for transaction events rather than any event).

[github-actions]

node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.

Scenario	Requests/s	% of Baseline	Prev. Requests/s	Change %
GET Baseline	8,842	-	9,127	-3%
GET With Sentry	1,391	16%	1,361	+2%
GET With Sentry (error only)	6,006	68%	5,993	+0%
POST Baseline	1,198	-	1,186	+1%
POST With Sentry	518	43%	527	-2%
POST With Sentry (error only)	1,053	88%	1,049	+0%
MYSQL Baseline	3,292	-	3,275	+1%
MYSQL With Sentry	478	15%	455	+5%
MYSQL With Sentry (error only)	2,659	81%	2,660	-0%

View base workflow run