enable tokenizer on json fields

[PSeitz]

enable tokenizer on json fields for type text
quickwit-oss/quickwit#3179

[codecov-commenter]

Codecov Report

Merging #2053 (671b8db) into main (62709b8) will decrease coverage by 0.06%.
The diff coverage is 96.07%.

❗ Current head 671b8db differs from pull request most recent head f2b79b9. Consider uploading reports for the commit f2b79b9 to get more accurate results

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@@            Coverage Diff             @@
##             main    #2053      +/-   ##
==========================================
- Coverage   94.43%   94.37%   -0.06%     
==========================================
  Files         319      319              
  Lines       59689    59872     +183     
==========================================
+ Hits        56365    56504     +139     
- Misses       3324     3368      +44     

Impacted Files	Coverage Δ
src/fastfield/writer.rs	94.85% <90.00%> (-0.45%)	⬇️
src/schema/text_options.rs	95.87% <94.73%> (ø)
src/fastfield/mod.rs	100.00% <100.00%> (ø)
src/fastfield/readers.rs	91.01% <100.00%> (+0.16%)	⬆️
src/schema/json_object_options.rs	92.66% <100.00%> (+1.08%)	⬆️
src/tokenizer/tokenizer.rs	100.00% <100.00%> (ø)
tokenizer-api/src/lib.rs	81.81% <100.00%> (+0.86%)	⬆️

... and 20 files with indirect coverage changes