Saving a layout after adding a block that contains a form doesn't allow you to save anymore

I have created a test for edit dashboard action that the dashboard contains a form block, add a new block and save, it shows the proper status message.

Found this was an issue at some point for content layout builder.
This was fixed in DefaultsEntityForm, but wondering if it should be fixed up in the inheritance chain, as this is probably affecting any layout builder form.

Attached patch. See https://git.drupalcode.org/project/drupal/-/commit/0a16b0f112 for a potential browser test.

patch #3 is working for me.

I am assigning this to myself and will try to work on this during DrupalCon Lille. If I dont make any progress I will unassign myself again.

Thank you @penyaskito!

Tested the patch and it solves the issue.

Marking as RTBC unless you consider to add some tests for it.

Feel free to move it back to Needs Work if so.

I'm attaching a js test to cover the changing and saving of a dashboard with a form block present.

Tests failed on coding standards

Tests are failing/passing as expected:

• https://github.com/penyaskito/dashboard-initiative/pull/26
• https://github.com/penyaskito/dashboard-initiative/pull/27

Test look great! Thanks Yan!

+++ b/tests/modules/dashboard_test/config/install/dashboard.dashboard.test.yml
@@ -0,0 +1,38 @@
+dependencies: {  }

I don't think we should change anything here now, but this helped me figuring out 📌 [PP-1] If a dashboard uses layout builder, add the config dependency Active

Added credit for people that worked on this in Vienna and providing reviews.

Pushed to 1.0.x, thanks!

Automatically closed - issue fixed for 2 weeks with no activity.