Crash when pressing certain buttons while on spectator mode

The bug

A crash occurs when pressing certain buttons while on spectator mode.

[14:51:20] [Render thread/ERROR]: Unreported exception thrown!
java.lang.NullPointerException: Cannot invoke "exp.a()" because "$$0" is null
	at esn.a(SourceFile:25) ~[22w42a.jar:?]
	at com.google.common.collect.ComparatorOrdering.compare(ComparatorOrdering.java:40) ~[guava-31.0.1-jre.jar:?]
	at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) ~[?:?]
	at java.util.TimSort.sort(TimSort.java:220) ~[?:?]
	at java.util.Arrays.sort(Arrays.java:1233) ~[?:?]
	at com.google.common.collect.Ordering.sortedCopy(Ordering.java:854) ~[guava-31.0.1-jre.jar:?]
	at esn.<init>(SourceFile:34) ~[22w42a.jar:?]
	at esh.<init>(SourceFile:15) ~[22w42a.jar:?]
	at esi.<init>(SourceFile:53) ~[22w42a.jar:?]
	at eld.b(SourceFile:161) ~[22w42a.jar:?]
	at eii.a(SourceFile:111) ~[22w42a.jar:?]
	at eii.c(SourceFile:165) ~[22w42a.jar:?]
	at bak.execute(SourceFile:103) ~[22w42a.jar:?]
	at eii.b(SourceFile:165) ~[22w42a.jar:?]
	at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:43) ~[lwjgl-glfw-3.3.1.jar:build 7]
	at org.lwjgl.system.JNI.invokeV(Native Method) ~[lwjgl-3.3.1.jar:build 7]
	at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3403) ~[lwjgl-glfw-3.3.1.jar:build 7]
	at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:204) ~[22w42a.jar:?]
	at ech.e(SourceFile:310) ~[22w42a.jar:?]
	at eih.f(SourceFile:1207) ~[22w42a.jar:?]
	at eih.e(SourceFile:776) [22w42a.jar:?]
	at net.minecraft.client.main.Main.a(SourceFile:244) [22w42a.jar:?]
	at net.minecraft.client.main.Main.main(SourceFile:51) [22w42a.jar:?]