Fix NullPointerException in FreeLook onDeactivate - #6528
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Type of change
Description
Fixes a crash when disconnecting or deactivating the FreeLook module while
prePerswas null.The NPE occurred because the module wasn't fully checking if the saved perspective
prePersexisted before trying to instruct Minecraft to use it.Related issues
N/A
How Has This Been Tested?
Tested locally by activating and deactivating the module, and logging into servers where it was being auto-deactivated.
Checklist: