ref: Always return an immediately generated event ID from captureException(), captureMessage(), and captureEvent()

[lforst]

This is a general QoL improvement and will also allow us to remove the SyncPromise.

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser	21.64 KB (-0.02% 🔽)
@sentry/browser (incl. Tracing)	32.68 KB (-0.02% 🔽)
@sentry/browser (incl. Tracing, Replay)	68.03 KB (-0.01% 🔽)
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	61.43 KB (-0.01% 🔽)
@sentry/browser (incl. Tracing, Replay with Canvas)	72.07 KB (-0.01% 🔽)
@sentry/browser (incl. Tracing, Replay, Feedback)	84.28 KB (-0.01% 🔽)
@sentry/browser (incl. Feedback)	37.78 KB (-0.01% 🔽)
@sentry/browser (incl. sendFeedback)	26.43 KB (-0.01% 🔽)
@sentry/browser (incl. FeedbackAsync)	30.93 KB (0%)
@sentry/react	24.33 KB (-0.02% 🔽)
@sentry/react (incl. Tracing)	35.64 KB (-0.02% 🔽)
@sentry/vue	25.47 KB (-0.01% 🔽)
@sentry/vue (incl. Tracing)	34.47 KB (-0.02% 🔽)
@sentry/svelte	21.77 KB (-0.04% 🔽)
CDN Bundle	23.95 KB (-0.01% 🔽)
CDN Bundle (incl. Tracing)	33.98 KB (+0.02% 🔺)
CDN Bundle (incl. Tracing, Replay)	67.67 KB (+0.01% 🔺)
CDN Bundle (incl. Tracing, Replay, Feedback)	83.55 KB (+0.01% 🔺)
CDN Bundle - uncompressed	70.58 KB (+0.03% 🔺)
CDN Bundle (incl. Tracing) - uncompressed	100.94 KB (+0.02% 🔺)
CDN Bundle (incl. Tracing, Replay) - uncompressed	210.55 KB (+0.01% 🔺)
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed	256.94 KB (+0.01% 🔺)
@sentry/nextjs (client)	34.86 KB (0%)
@sentry/sveltekit (client)	33.24 KB (-0.01% 🔽)
@sentry/node	138.47 KB (-0.01% 🔽)