Plugin List Spacers

[VioletStorm]

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• [X] I have searched existing issues
• [X] This issue is not a duplicate of an existing one
• [X] This is not a request for a plugin

Feature Request Description

Create spacers for plugin list organization. A spacer would essentially just be an unselectable plugin entry which has no icon and no name, and can be used as a visual indicator of different plugin groupings.

Further Description

No response