Avoid use-after-free in vehicle reaper code #39109
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ZhilkinSerg
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<Bugfix>
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Summary
SUMMARY: Bugfixes "Fix a crash when harvesting using vehicle reaper"
Purpose of change
Fixes #39069. A use-after-free error was causing crash on the official windows build, when using vehicle reaper to harvest crops.
Describe the solution
Save the seed type to a local variable before the seed item gets destroyed by
map::i_clear.Testing
Cannot test because the crash cannot be reproduced on my own build. After merging it we'll know if it fixes the crash.