fix: set the escape hatch in next sdk

Author: logaretm

packages/nextjs/src/server/prepareSafeIdGeneratorContext.ts

@@ -0,0 +1,16 @@
+import { debug, GLOBAL_OBJ } from '@sentry/core';
+import { DEBUG_BUILD } from '../common/debug-build';
+
+type SafeRandomContextRunner = <T>(callback: () => T) => T;
+
+/**
+ * Prepares the global object to generate safe random IDs in cache components contexts
+ * See: https://github.com/getsentry/sentry-javascript/blob/ceb003c15973c2d8f437dfb7025eedffbc8bc8b0/packages/core/src/utils/propagationContext.ts#L1
+ */
+export function prepareSafeIdGeneratorContext(): void {
+  const sym = Symbol.for('__SENTRY_SAFE_RANDOM_ID_WRAPPER__');
+  const globalWithSymbol: typeof GLOBAL_OBJ & { [sym]?: SafeRandomContextRunner } = GLOBAL_OBJ;
+  globalWithSymbol[sym] = AsyncLocalStorage.snapshot();
+
+  DEBUG_BUILD && debug.log('[@sentry/nextjs] Prepared safe random ID generator context');
+}