With previous code, "pnpm run plugins i ep_xxx" is working correctly, but "pnpm run plugins install ep_xxx" does not work correctly (since var `registryPlugins` is empty)
Either "pnpm run plugins install ep_xxx" should be disallowed (by removing `case "install"`) or this fix should be applied.
* Upgrade the live-plugin-manager
* Fix migration scripts to skip checking for the system directory of live-plugin-manager
* Updated lockfile
* Improved handling of install.
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Co-authored-by: yacchin1205 <968739+yacchin1205@users.noreply.github.com>
Co-authored-by: SamTV12345 <40429738+samtv12345@users.noreply.github.com>
