fix dynamic_type in dynamic_template

closes #5256
[TEST] Update TTL test can fail on faster boxes - improve range of valid vals
Fixed highlighting inconsistencies between REST and Java api

Exposed HighlightBuilder missing global options in Java API: fragmentSize, numOfFragments, highlightFilter, boundaryMaxScan and boundaryChars
Exposed SearchRequestBuilder missing global options shortcuts: setHighlighterFragmentSize, setHighlighterNumOfFragments, setHighlighterFilter, setHighlighterBoundaryMaxScan, setHighlighterBoundaryChars, setHighlighterFragmenter, setHighlighterPhraseLimit & setHighlighterForceSource

Closes #5281