Fix: empty list in compact experiment rewards

[hannibal002]

What

Fixed an NoSuchElementException
Report: https://discord.com/channels/997079228510117908/1293485111056011294

Stack Trace

Caused by java.util.NoSuchElementException: List is empty.
    at kotlin.collections.CollectionsKt___CollectionsKt.last(_Collections.kt:418)
    at SH.features.chat.CompactExperimentRewards.sendMessage(CompactExperimentRewards.kt:92)
    at SH.features.chat.CompactExperimentRewards.onChat$lambda$2$lambda$1(CompactExperimentRewards.kt:86)
    at SH.utils.DelayedRun.checkRuns$lambda$0(DelayedRun.kt:31)
    at SH.utils.DelayedRun.checkRuns$lambda$1(DelayedRun.kt:27)
    at java.util.ArrayList.removeIf(ArrayList.java:1415)
    at SH.utils.DelayedRun.checkRuns(DelayedRun.kt:27)
    at SH.data.MinecraftData.onTick(MinecraftData.kt:74)
    at FML.common.eventhandler.EventBus.post(EventBus.java:140)

Changelog Fixes

• Fixed an error with compact experiment rewards chat messages. - hannibal2