Properly delegate setChanged in combined container slot

src/main/kotlin/ru/dbotthepony/mc/otm/container/CombinedContainer.kt

@@ -34,6 +34,10 @@ class CombinedContainer(containers: Stream<Pair<Container, Iterable<Int>>>) : IM
 		override val container: Container
 			get() = this@CombinedContainer
 
+		override fun setChanged() {
+			outer.setChanged()
+		}
+
 		override fun component1(): Int {
 			return super.component1()
 		}

src/main/kotlin/ru/dbotthepony/mc/otm/menu/Slots.kt

@@ -51,6 +51,14 @@ inline fun <S : Slot> makeSlots(containers: List<Container>?, size: Int, initial
 open class MatterySlot(container: Container, index: Int, x: Int = 0, y: Int = 0) : Slot(container, index, x, y) {
 	var ignoreSpectators = true
 
+	override fun setChanged() {
+		if (container is IMatteryContainer) {
+			(container as IMatteryContainer).setChanged(index)
+		} else {
+			super.setChanged()
+		}
+	}
+
 	override fun mayPickup(player: Player): Boolean {
 		return super.mayPickup(player) && (!ignoreSpectators || !player.isSpectator)
 	}