filepath plugin deploy will remove all file in ./deployment directory after 3 times deploy

[dragon9783]

Describe the bug
filepath deploy will remove all file in ./deployment directory after 3 times waypoint deploy

Steps to Reproduce
3 times waypoint deploy

Please include any waypoint.hcl files if applicable, as well as a
GitHub Gist of any relevant logs or steps to
reproduce the bug. Running waypoint commands with -v up to -vvv will
include any additional debugging info in the log.

Expected behavior
A clear and concise description of what you expected to happen.

Waypoint Platform Versions
Additional version and platform information to help triage the issue if
applicable:

• Waypoint CLI Version:
• Waypoint Server Platform and Version: (like docker, nomad, kubernetes)
• Waypoint Plugin: (like aws/ecs, pack, azure)

Additional context
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