Fix IDAllocator not being utilized properly in dynamic synchable group

src/main/kotlin/ru/dbotthepony/mc/otm/network/syncher/DynamicSynchableGroup.kt

@@ -269,6 +269,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 		if (value2slot.isNotEmpty()) {
 			value2slot.clear()
 			id2slot.clear()
+			idAllocator.reset()
 
 			remoteStates.toTypedArray().forEach { it.clear() }
 		}
@@ -319,6 +320,7 @@ class DynamicSynchableGroup<T : ISynchable>(
 		val slot = value2slot.remove(element)!!
 		checkNotNull(id2slot.remove(slot.id))
 		remoteStates.forEach { it.remove(slot) }
+		idAllocator.release(slot.id)
 		return true
 	}