fix: [desktop] crash in some case. #2250
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1. uncheck an organized collection; 2. change the wallpaper; 3. crash. the event is not unsubscribed when collection removed at step 1, when the wallpaper event emitted, the event handler executed with nullptr, cause crash. unsubscribe signal when collection destroyed. Log: as above. Bug: https://pms.uniontech.com/bug-view-271449.html
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Sep 3, 2024
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the event is not unsubscribed when collection removed at step 1, when
the wallpaper event emitted, the event handler executed with nullptr,
cause crash.
unsubscribe signal when collection destroyed.
Log: as above.
Bug: https://pms.uniontech.com/bug-view-271449.html