Fix pastel transmission timer serialization

Author: DaFuqs

src/main/java/de/dafuqs/spectrum/blocks/pastel_network/network/ServerPastelNetworkManager.java

@@ -125,7 +125,7 @@ private static NbtCompound transgender(Map<PastelTransmission, Integer> trans) {
 			var result = PastelTransmission.CODEC.encodeStart(NbtOps.INSTANCE, transmissionEntry.getKey()).result();
 			if (result.isPresent()) {
 				transmissions.add(result.get());
-				timers[transmissions.indexOf(result.get())] = transmissionEntry.getValue();
+				timers[transmissions.size() - 1] = transmissionEntry.getValue();
 			}
 		}