fix:修复轨迹更新的比较逻辑错误

src/SJZY.Track.Application/CAP/EventHandlers/TrackUpsertEventHandler.cs

@@ -272,8 +272,11 @@ public class TrackUpsertEventHandler : ITransientDependency, ICapSubscribe
 
                 existTracks = existTracks.Where(x =>
                 {
+                    var oldExtraDict = GetExtraDictForTextJson(x.Extra);
                     // tips：注意兼容性，历史轨迹的字段可能为空
-                    if (x.Extra == null || !extraDict.TryGetValue(@event.CompareFields, out var oldValue))
+                    if (x.Extra == null
+                        || oldExtraDict == null
+                        || !oldExtraDict.TryGetValue(@event.CompareFields, out var oldValue))
                     {
                         return false;
                     }