Description

In block.json setting the allowJustification to false in the following way:

{
	"supports": {
		"layout": {
			"default": {
				"type": "flex"
			},
			"allowVerticalAlignment": true,
			"allowJustification": false,
			"allowOrientation": false,
			"allowInheriting": false
		}
	}
}

Doesn't result in a hidden Justification settings UI:

Step-by-step reproduction instructions

Add layout support to any block in the following way:

{
	"supports": {
		"layout": {
			"default": {
				"type": "flex"
			},
			"allowVerticalAlignment": true,
			"allowJustification": false,
			"allowOrientation": false,
			"allowInheriting": false
		}
	}
}

Note the Justification settings UI is present in the Block settings sidebar.

Screenshots, screen recording, code snippet

No response

Environment info

No response

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes