Fix gitlab:import:repos Rake task moving repositories into the wrong location

Stan Hu requested to merge sh-fix-import-rake-task into master

If the source import directory were different from the destination directory, GitLab would first create a blank repository and then erroneously move the original one into a subdirectory. Adding an import type prevents this the project from being initialized in the first place. It was accidentally removed in 1f917cbd.

Closes #40765 (closed)

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