[MC-133842] Crash when getting kicked while in Inventory

When opening the inventory and loosing the connection from the server (e.g. kicked from the console), the game crashes with the following crash report:

(18w31a) crash-2018-08-04_19.45.52-client.txt

Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at clm.n(SourceFile:218)
	at cfq.a(SourceFile:737)
	at cfq.a(SourceFile:1529)
	at cfq.a(SourceFile:1503)
	at cra.a(SourceFile:715)
	at hx.l(SourceFile:396)
	at crc.d(SourceFile:272)
	at cfq.m(SourceFile:1223)
	at cfq.c(SourceFile:821)
	at cfq.a(SourceFile:395)
	at net.minecraft.client.main.Main.main(SourceFile:144)

Code analysis

Code analysis by Tobias Hotz can be found in this comment.