Fix AtFlag

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/dynamicflags/AtFlag.java

@@ -49,7 +49,7 @@ public class AtFlag extends ViewFlag {
     @Override
     public List<TNTRecord> filter(List<TNTRecord> records) {
         return records.stream()
-                .filter(record -> record.getTicksSinceStart() <= start && record.getTicksSinceStart() >= end)
+                .filter(record -> record.getTicksSinceStart() >= start && record.getTicksSinceStart() <= end)
                 .collect(Collectors.toList());
     }
 }