feat: add enable_tokenizer params to VarChar field

[zhengbuqian]

issue: #35922

add an enable_tokenizer param to varchar field: must be set to true so that a varchar field can enable_match or used as input of BM25 function

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[codecov]

Codecov Report

Attention: Patch coverage is 31.25000% with 22 lines in your changes missing coverage. Please review.

Project coverage is 73.26%. Comparing base (a6545b2) to head (7a55818).
Report is 16 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/core/src/common/FieldMeta.cpp	0.00%	17 Missing ⚠️
internal/proxy/util.go	25.00%	2 Missing and 1 partial ⚠️
pkg/util/typeutil/field_schema.go	75.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #36480      +/-   ##
==========================================
- Coverage   82.32%   73.26%   -9.06%     
==========================================
  Files        1281     1286       +5     
  Lines      151551   152144     +593     
==========================================
- Hits       124760   111467   -13293     
- Misses      21763    35630   +13867     
- Partials     5028     5047      +19     

Files with missing lines	Coverage Δ
internal/core/src/common/FieldMeta.h	74.57% <100.00%> (-18.65%)	⬇️
internal/core/src/common/Schema.h	91.17% <ø> (-7.36%)	⬇️
internal/util/ctokenizer/text_schema_validator.go	81.81% <100.00%> (+37.37%)	⬆️
pkg/util/typeutil/field_schema.go	89.18% <75.00%> (-3.92%)	⬇️
internal/proxy/util.go	87.46% <25.00%> (-0.13%)	⬇️
internal/core/src/common/FieldMeta.cpp	0.00% <0.00%> (-69.85%)	⬇️

... and 278 files with indirect coverage changes

[czs007]

e2e is not triggered. @zhengbuqian

[mergify]

@zhengbuqian E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.