fix(nextjs): Do not sample next spans if they have remote parent (#11680)

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

Author: mydea

packages/opentelemetry/src/sampler.ts

@@ -67,8 +67,8 @@ export class SentrySampler implements Sampler {
     // If we encounter a span emitted by Next.js, we do not want to sample it
     // The reason for this is that the data quality of the spans varies, it is different per version of Next,
     // and we need to keep our manual instrumentation around for the edge runtime anyhow.
-    // BUT we only do this if we don't have a parent span with a sampling decision yet
-    if (spanAttributes['next.span_type'] && typeof parentSampled !== 'boolean') {
+    // BUT we only do this if we don't have a parent span with a sampling decision yet (or if the parent is remote)
+    if (spanAttributes['next.span_type'] && (typeof parentSampled !== 'boolean' || parentContext?.isRemote)) {
       return { decision: SamplingDecision.NOT_RECORD, traceState: traceState };
     }