Check if firework item explosions tag is null (corresponding entity fix) (#633)

* Check if firework item explosions tag is null (corresponding entity fix)

* Add null check on flight

* Add null check around Flight

* Fix newline on if statement

* Fix newline on if statement, add null check on flight, remove debug code.

* fix missing space..

connector/src/main/java/org/geysermc/connector/entity/FireworkEntity.java

@@ -60,17 +60,16 @@ public class FireworkEntity extends Entity {
             CompoundTag fireworks = tag.get("Fireworks");
 
             CompoundTagBuilder fireworksBuilder = CompoundTagBuilder.builder();
+            if (fireworks.get("Flight") != null) {
                 fireworksBuilder.byteTag("Flight", (Byte) fireworks.get("Flight").getValue());
+            }
 
             List<com.nukkitx.nbt.tag.CompoundTag> explosions = new ArrayList<>();
+            if (fireworks.get("Explosions") != null) {
                 for (Tag effect : ((ListTag) fireworks.get("Explosions")).getValue()) {
                     CompoundTag effectData = (CompoundTag) effect;
-
-                try {
-                    GeyserConnector.getInstance().getLogger().debug("Effect: " + new ObjectMapper().writeValueAsString(effect));
-                } catch (JsonProcessingException e) { }
-
                     CompoundTagBuilder effectBuilder = CompoundTagBuilder.builder();
+
                     if (effectData.get("Type") != null) {
                         effectBuilder.byteTag("FireworkType", (Byte) effectData.get("Type").getValue());
                     }
@@ -109,6 +108,7 @@ public class FireworkEntity extends Entity {
 
                     explosions.add(effectBuilder.buildRootTag());
                 }
+            }
 
             fireworksBuilder.tag(new com.nukkitx.nbt.tag.ListTag<>("Explosions", com.nukkitx.nbt.tag.CompoundTag.class, explosions));