Shift+Cmd+\ opens 1P8, but clicking the close button doesn't remove it from the dock

I want to have 1P8 just in the menu bar. I'm trying to close the app to get it out of the dock, but all it does is hide it. The app is still there. Open.

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1Password Version: 8.2.0-56.BETA
Extension Version: Not Provided
OS Version: macOS 11.5.2