Store inventory title inside VirtualHolder

[Murreey]

The close and open events are currently failing in 1.14 trying to get the window title.

Stacktrace

[12:13:43] [Server thread/ERROR]: Could not pass event InventoryCloseEvent to CommandHelper v3.3.4-SNAPSHOT
java.lang.ClassCastException: com.entityreborn.chvirtualchests.VirtualHolder$Holder cannot be cast to org.bukkit.Nameable
	at com.laytonsmith.abstraction.bukkit.BukkitMCInventory.getTitle(BukkitMCInventory.java:165) ~[?:?]
	at com.entityreborn.chvirtualchests.VirtualChests.toCArray(VirtualChests.java:130) ~[?:?]
	at com.entityreborn.chvirtualchests.events.Events$virtualchest_closed.evaluate(Events.java:182) ~[?:?]
	at com.laytonsmith.core.events.EventUtils.FireListeners(EventUtils.java:306) ~[?:?]
	at com.laytonsmith.core.events.EventUtils.TriggerListener(EventUtils.java:294) ~[?:?]
	at com.entityreborn.chvirtualchests.events.Events.onClose(Events.java:85) ~[?:?]
	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor25.execute(Unknown Source) ~[?:?]
	at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.14.4.jar:git-Paper-192]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.14.4.jar:git-Paper-192]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.14.4.jar:git-Paper-192]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.14.4.jar:git-Paper-192]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.handleInventoryCloseEvent(CraftEventFactory.java:1344) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:2089) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.PacketPlayInCloseWindow.a(PacketPlayInCloseWindow.java:18) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.PacketPlayInCloseWindow.a(PacketPlayInCloseWindow.java:5) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.MinecraftServer.aX(MinecraftServer.java:1013) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:1006) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:990) ~[patched_1.14.4.jar:git-Paper-192]
	at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:923) ~[patched_1.14.4.jar:git-Paper-192]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]

getTitle() was changed to use the title from the inventory holder rather than the inventory directly, which is expected to be a Nameable.

This makes VirtualHolder nameable, and sets the name to the inventory title.

[jb-aero]

This parameter doesn't get used.

[Murreey]

Oops thanks, fixed.