Group block: Nested Group blocks doesn't render outer border line when selected

[fluiddot]

Description

When nesting Group blocks in other Group blocks, selecting a nested Group block doesn't render the outer border line to reflect that is selected.

This issue is related to the test case: Group – Check if Group placeholder is render in nested structure – TC003

Step-by-step reproduction instructions

1. Add a Group block.
2. Insert a Group block into the first Group block.
3. Observe that the Group block is selected but doesn't render the outer border line.
4. Select the parent Group block.
5. Observe that it does render the outer border line.

Expected behaviour

Nested Group blocks should render the outer border line when selected.

Actual behaviour

Nested Group blocks don't render the outer border line when selected.

Screenshots or screen recording (optional)

ios-select-nested-group-block.MP4

WordPress information

• WordPress version: N/A
• Gutenberg version: N/A
• Are all plugins except Gutenberg deactivated? N/A
• Are you using a default theme (e.g. Twenty Twenty-One)? N/A

Device information

• Device: iPhone 11
• Operating system: iOS 17.0.1
• WordPress app version: 24.2