[Core] Resolve null in event parsing (#67)

Author: Wesley-Young

Lagrange.Core/Internal/Services/System/InfoSyncPushService.cs

@@ -16,6 +16,6 @@ protected override ValueTask<InfoSyncPushEvent> Parse(ReadOnlyMemory<byte> input
         var obj = ProtoObject.Parse(input.Span);
         var push = ProtoHelper.Deserialize<InfoSyncPush>(input.Span);
 
-        return base.Parse(input, context);
+        return ValueTask.FromResult(new InfoSyncPushEvent());
     }
 }

Lagrange.Core/Internal/Services/System/PushParamsService.cs

@@ -14,6 +14,6 @@ protected override ValueTask<PushParamsEvent> Parse(ReadOnlyMemory<byte> input,
     {
         var @params = ProtoHelper.Deserialize<PushParams>(input.Span);
 
-        return base.Parse(input, context);
+        return ValueTask.FromResult(new PushParamsEvent());
     }
 }