Similar threads

xF2 Add-on Similar threads 8.2

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When creating a new thread, the similar threads dropdown will stay open. Added a cancel button to allow closing the similar threads dropdown during thread creation.
Fixed issue with thread title having "|" character.
Fixed issue with thread title having multiple "+" characters.
Fixed issue with non language characters causing regexp to fail.
Fixed issue with single quote in thread title causing errors.
Fixed issue with scrollbar in responsive mode.
Similar threads results block now has scrollbar to allow viewing additional results.
Fixed issue with Elasticsearch 7.6.0 causing server error logs.
Added bottom margin to similar threads block. Also updated PHP code to prevent server error logs if elasticsearch is not available.