add 'trim' to the 'peliasKeywordNormalizer' filters #416
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This PR is based on #415. view diff
A nice-to-have but not a biggie, this PR ensures that normalized keyword fields are whitespace trimmed.
AFAIK to the
trim
filter not being supported in a normalizer from Lucene 7.3 (Elastic v6.4) so I suspect the tests will fail for ES5