Fix print recursion detection (#2624)

Author: denrase

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+### Fixes
+
+- Fix print recursion detection ([#2624](https://github.com/getsentry/sentry-dart/pull/2624))
 ### Dependencies
 
 - Bump Cocoa SDK from v8.44.0-beta.1 to v8.44.0 ([#2649](https://github.com/getsentry/sentry-dart/pull/2649))

dart/lib/src/sentry_run_zoned_guarded.dart

@@ -29,7 +29,7 @@ class SentryRunZonedGuarded {
 
     final sentryZoneSpecification = ZoneSpecification.from(
       zoneSpecification ?? ZoneSpecification(),
-      print: (self, parent, zone, line) async {
+      print: (self, parent, zone, line) {
         final options = hub.options;
 
         if (userPrint != null) {
@@ -61,12 +61,12 @@ class SentryRunZonedGuarded {
 
         try {
           _isPrinting = true;
-          await hub.addBreadcrumb(
+          unawaited(hub.addBreadcrumb(
             Breadcrumb.console(
               message: line,
               level: SentryLevel.debug,
             ),
-          );
+          ));
           parent.print(zone, line);
         } finally {
           _isPrinting = false;