fix(nextjs): Do not sample next spans if they have remote parent

[mydea]

This hopefully fixes this, not sure how to write a test for this (?) but we can add one later as well...

[github-actions]

size-limit report 📦

Path	Size
@sentry/browser	21.67 KB (0%)
@sentry/browser (incl. Tracing)	31.4 KB (-0.18% 🔽)
@sentry/browser (incl. Tracing, Replay)	66.73 KB (-0.09% 🔽)
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags	60.14 KB (-0.09% 🔽)
@sentry/browser (incl. Tracing, Replay with Canvas)	70.57 KB (-0.08% 🔽)
@sentry/browser (incl. Tracing, Replay, Feedback)	80.44 KB (-0.08% 🔽)
@sentry/browser (incl. Feedback)	35.25 KB (0%)
@sentry/browser (incl. Feedback, Feedback Modal)	35.25 KB (0%)
@sentry/browser (incl. Feedback, Feedback Modal, Feedback Screenshot)	37.28 KB (0%)
@sentry/browser (incl. sendFeedback)	26.46 KB (0%)
@sentry/react	24.35 KB (0%)
@sentry/react (incl. Tracing)	34.31 KB (-0.18% 🔽)
@sentry/vue	25.2 KB (0%)
@sentry/vue (incl. Tracing)	33.12 KB (-0.19% 🔽)
@sentry/svelte	21.79 KB (0%)
CDN Bundle	24.03 KB (0%)
CDN Bundle (incl. Tracing)	32.71 KB (-0.16% 🔽)
CDN Bundle (incl. Tracing, Replay)	66.37 KB (-0.04% 🔽)
CDN Bundle (incl. Tracing, Replay, Feedback)	82.57 KB (-0.04% 🔽)
CDN Bundle - uncompressed	70.86 KB (0%)
CDN Bundle (incl. Tracing) - uncompressed	97.51 KB (-0.09% 🔽)
CDN Bundle (incl. Tracing, Replay) - uncompressed	207.17 KB (-0.05% 🔽)
@sentry/nextjs (client)	33.64 KB (-0.17% 🔽)
@sentry/sveltekit (client)	31.9 KB (-0.19% 🔽)
@sentry/node	155.86 KB (+0.01% 🔺)