Allow a minimum number of breadcrumb segments to be present in order to render breadcrumbs.

Closes #3309109

added 40 commits

• 0c4facfd...e7b458cb - 38 commits from branch project:2.x
• 160d42d7 - Allow a minimum number of breadcrumb segments to be present in order to render breadcrumbs.
• 37a3f2c8 - #3309109: Correct update number after rebase. Make it clearer that the update...

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merged