Fixes #4701, #5874 - removed lowercase filter from kt_name_analyzer

Lowercasing of names caused ambiguous results of search queries.
It also broke searching names containing uppercase international characters.
Refs #4701 - updating VCR cassettes
Merge pull request #4220 from jlsherrill/tstrachota-search

Fixes #4701, #5874 - removed lowercase filter from kt_name_analyzer