Hello,
If the Search banner theme component is installed then the in this topic filter close not working.
Demo
إعجاب واحد (1)
Thanks for the report, FIX: Let core handle toggling "in topic" state by pmusaraj · Pull Request #6 · discourse/discourse-search-banner · GitHub should fix it.
إعجابَين (2)
Thank you! Works great now 
إعجاب واحد (1)