BUGFIX: Allow reference node path being null

Some listing might not want a new item option and defaulting to the site is causing issues as the editor doesn’t know what would happen.

FEATURE: "disabled" preset option (#42)

TASK: support unsetting presets (#39)

Build(deps): Bump elliptic in /Resources/Private/FlatNav (#38)

Bumps [elliptic](https://github.com/indutny/elliptic) from 6.4.1 to 6.5.3.
- [Release notes](https://github.com/indutny/elliptic/releases)
- [Commits](indutny/elliptic@v6.4.1...v6.5.3)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Build(deps): Bump websocket-extensions in /Resources/Private/FlatNav (#…

…36)

Bumps [websocket-extensions](https://github.com/faye/websocket-extensions-node) from 0.1.3 to 0.1.4.
- [Release notes](https://github.com/faye/websocket-extensions-node/releases)
- [Changelog](https://github.com/faye/websocket-extensions-node/blob/master/CHANGELOG.md)
- [Commits](faye/websocket-extensions-node@0.1.3...0.1.4)

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TASK:Change route to be compatible with Flowpack.Neos.FrontendLogin (#25

)

BUGFIX: added id to TabPanel and fixed tab height - #18 (#19)

Add Neos 4 compatibility, smaller improvements (#10)