[Feature Request] The truncate token filter should be usable in a normalizer #19778
Description
Is your feature request related to a problem? Please describe
When using a keyword field you might sometimes prefer to keep a truncated version of the keyword rather than relying on ignore_above.
Describe the solution you'd like
Mark TruncateTokenFilterFactory as a NormalizingTokenFilterFactory.
Related component
Indexing
Describe alternatives you've considered
No response
Additional context
No response