OPSMN-3386: OS filter/search not working if search string contains any special character like (å, í, ü, ñ, 轉) - Added filter to set default encoding utf-8 as request header for all HttpRequests.
OPSMN-3386: OS filter/search not working if search string contains any special character like (å, í, ü, ñ, 轉)
- Added filter to set default encoding utf-8 as request header for all HttpRequests.

krishagni/openspecimen,krishagni/openspecimen,krishagni/openspecimen