[wp-trac] [WordPress Trac] #65101: Ensure layout classnames are applied to the inner blocks wrapper and not to its siblings

[WordPress Trac]

#65101: Ensure layout classnames are applied to the inner blocks wrapper and not to
its siblings
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 Reporter:  isabel_brison                        |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  new
 Priority:  normal                               |   Milestone:  7.1
Component:  Editor                               |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  gutenberg-merge has-patch has-unit-  |     Focuses:
  tests                                          |
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Comment (by darshitrajyaguru97):

 == Patch Testing ==

 I tested the provided patch locally and verified the behavior.

 === **Environment ===
 * WordPress: 7.0 RC2
 * PHP: 8.3
 * Server: Nginx
 * Browser: Chrome
 * OS: Windows 11

 === **Testing Steps ===
 1. Applied the patch from this ticket.
 2. Created Group blocks with layout settings (flex, constrained, etc.).
 3. Added nested blocks and sibling blocks.
 4. Inspected DOM output.

 === **Results ===
 - Layout classnames are now correctly applied only to the inner blocks
 wrapper.
 - No class leakage to sibling elements observed.
 - Nested block structures behave as expected.

 === **Unit Tests ===
 - All existing and added tests pass successfully.

 === **Notes ===
 - Patch aligns with Gutenberg PR
 https://github.com/WordPress/gutenberg/pull/77408.
 - Behavior is consistent with editor expectations.

 Patch looks good to me

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Ticket URL: <https://core.trac.wordpress.org/ticket/65101#comment:2>
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