Upgrade/Install: Ensure cleanup after canceled update.

Ensure that the uploaded zip is hidden from the media library, where a task will remove failed installs after two hours.

Fixes #50612.

Props psykro, desrosj, joyously, azaozz, noisysocks, whyisjake. 

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git-svn-id: https://core.svn.wordpress.org/trunk@48186 1a063a9b-81f0-0310-95a4-ce76da25c4cd