Fix frame iterator resetting mid run, improved logging

Frame iterator was resetting every run due to a shared iterator between runs, this is now unique per run.
Include frame keys for logging, log the frame spawning in debug logs.

src/main/java/com/alttd/config/ParticleConfig.java

@@ -150,7 +150,7 @@ public class ParticleConfig {
      * @return A ParticleSet created from the ParticleData
      */
     public ParticleSet convertToParticleSet(ParticleData particleData) {
-        log.info("Converting ParticleData to ParticleSet for {}", particleData.getParticleName());
+        log.info("Converting ParticleData to ParticleSet for [{}]", particleData.getParticleName());
         List<Frame> loadedFrames = new ArrayList<>();
         double randomOffset = particleData.getRandomOffset();
 
@@ -175,7 +175,11 @@ public class ParticleConfig {
                 aParticleList.add(new AParticle(x, y + 0.2, z, randomOffset, particleBuilder));
             }
 
-            loadedFrames.add(new Frame(aParticleList));
+            loadedFrames.add(new Frame(entry.getKey(), aParticleList));
+        }
+
+        if (Config.DEBUG) {
+            log.info("Loaded {} frames for [{}]", loadedFrames.size(), particleData.getParticleName());
         }
 
         // Create and return the ParticleSet