Breadcrumb markup should allow some tags such as italics or strong

I rebased the merge request so it's mergeable 🎉 Or so I think! -- I'm still newish to merge request rebasing in the context of Drupal issue forks, hopefully I did it correctly 🤞

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BUT! I see the test failure, so it seems there's still work to do.

#84 patch introduced #3214648: Error in layout builder: Argument #1 ($title) must be of type string, null given → issue for me.

The last submitted patch, 88: Breadcrumb-markup-double-eascaped-2990464-88.patch, failed testing. View results →

ravi kant → made their first commit to this issue’s fork.

can somebody bring that up to the latest dev version

Rerolled #88

@Jelle_S thanks for your effort would it be possible to have that as an MR ?