fix: suppress map cursor paper exception

bukkit/src/main/java/net/william278/husksync/util/BukkitMapPersister.java

@@ -424,6 +424,7 @@ public interface BukkitMapPersister {
         @NotNull
         private MapData extractMapData() {
             final List<MapBanner> banners = Lists.newArrayList();
+            try {
                 final String BANNER_PREFIX = "banner_";
                 for (int i = 0; i < getCursors().size(); i++) {
                     final MapCursor cursor = getCursors().getCursor(i);
@@ -437,6 +438,9 @@ public interface BukkitMapPersister {
                                 cursor.getY()
                         ));
                     }
+
+                }
+            } catch (Throwable ignored) {
             }
             return MapData.fromPixels(pixels, getDimension(), (byte) 2, banners, List.of());
         }