fixed timeUntilStale returning negetive Duration instead of 0

packages/fl_query/lib/src/core/utils.dart

@@ -2,6 +2,7 @@ import 'package:fl_query/src/core/models.dart';
 import 'package:fl_query/src/core/query.dart';
 import 'package:fl_query/src/core/query_key.dart';
 import 'package:collection/collection.dart';
+import 'dart:math';
 
 /// Default query keys hash function.
 /// Dummy function just to fill the gaps for original react-query like
@@ -159,7 +160,16 @@ List replaceEqualDeepList(List a, List b, void Function() onEqual) {
   return copy;
 }
 
-Duration timeUntilStale(DateTime updatedAt, [Duration? staleTime]) =>
-    updatedAt.add(staleTime ?? Duration.zero).difference(DateTime.now());
+Duration timeUntilStale(DateTime updatedAt, [Duration? staleTime]) {
+  return Duration(
+    milliseconds: max<int>(
+      updatedAt
+          .add(staleTime ?? Duration.zero)
+          .difference(DateTime.now())
+          .inMilliseconds,
+      0,
+    ),
+  );
+}
 
 typedef DataUpdateFunction<TInput, TOutput> = TOutput Function(TInput input);

packages/fl_query/test/src/core/query_observer_test.dart

@@ -397,9 +397,6 @@ void main() {
     });
 
     test('should accept unresolved query config in update function', () async {
-      // test is failing in [QueryObserver.updateResult] called by
-      // staleTimeout callback. For some reason _currentResult and
-      // prevResult is shallow equal
       final key = queryKey();
       ;
       final observer = QueryObserver<Map<String, dynamic>, dynamic,