Negative numbers in ExprLevel causes console error

[TheLimeGlass]

Skript/Server Version

2.6.2-mc-1.19 (custom version)

Nothing that would change this error.

Bug Description

Experience level must not be negative (-1)

This is causing runtime execution of the rest of the code to stop, so this is low priority rather than lowest.
I'm surprised this didn't show up before. Spigot must have added a Precondition check to it sometime recently.

Expected Behavior

There should not be a console error, rather just not attempt to set the level of the player to a negative number.

Steps to Reproduce

Set the level of a player to any negative number.

Errors or Screenshots

[17:04:54 ERROR]: #!#! Stack trace:
[17:04:54 ERROR]: #!#! java.lang.IllegalArgumentException: Experience level must not be negative (-1)
[17:04:54 ERROR]: #!#!     at com.google.common.base.Preconditions.checkArgument(Preconditions.java:193)
[17:04:54 ERROR]: #!#!     at org.bukkit.craftbukkit.v1_19_R1.entity.CraftPlayer.setLevel(CraftPlayer.java:1524)
[17:04:54 ERROR]: #!#!     at Skript.jar//ch.njol.skript.expressions.ExprLevel.change(ExprLevel.java:127)
[17:04:54 ERROR]: #!#!     at Skript.jar//ch.njol.skript.effects.EffChange.execute(EffChange.java:282)
[17:04:54 ERROR]: #!#!     at Skript.jar//ch.njol.skript.lang.Effect.run(Effect.java:50)
[17:04:54 ERROR]: #!#!     at Skript.jar//ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:61)
[17:04:54 ERROR]: #!#!     at Skript.jar//ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:89)
[17:04:54 ERROR]: #!#!     at Skript.jar//ch.njol.skript.effects.Delay$1.run(Delay.java:109)
[17:04:54 ERROR]: #!#!     at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftTask.run(CraftTask.java:101)
[17:04:54 ERROR]: #!#!     at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483)
[17:04:54 ERROR]: #!#!     at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1490)
[17:04:54 ERROR]: #!#!     at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:446)
[17:04:54 ERROR]: #!#!     at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1414)
[17:04:54 ERROR]: #!#!     at net.minecraft.server.MinecraftServer.v(MinecraftServer.java:1187)
[17:04:54 ERROR]: #!#!     at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:302)
[17:04:54 ERROR]: #!#!     at java.base/java.lang.Thread.run(Thread.java:833)
[17:04:54 ERROR]: #!#!
[17:04:54 ERROR]: #!#! Version Information:
[17:04:54 ERROR]: #!#!   Skript: 2.6.2-mc-1.19 (custom version)
[17:04:54 ERROR]: #!#!     Flavor: selfbuilt-unknown
[17:04:54 ERROR]: #!#!     Date: unknown
[17:04:54 ERROR]: #!#!   Bukkit: 1.19-R0.1-SNAPSHOT
[17:04:54 ERROR]: #!#!   Minecraft: 1.19
[17:04:54 ERROR]: #!#!   Java: 17.0.3.1 (Java HotSpot(TM) 64-Bit Server VM 17.0.3.1+2-LTS-6)
[17:04:54 ERROR]: #!#!   OS: Windows 10 amd64 10.0