fix: setting not work when create index use ES API

[hengfeiyang]

fix #884

[codecov-commenter]

Codecov Report

Merging #887 (4f14d9b) into main (21a659a) will decrease coverage by 0.06%.
The diff coverage is n/a.

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@@            Coverage Diff             @@
##             main     #887      +/-   ##
==========================================
- Coverage   74.12%   74.06%   -0.06%     
==========================================
  Files          79       79              
  Lines        4997     4994       -3     
==========================================
- Hits         3704     3699       -5     
- Misses       1007     1011       +4     
+ Partials      286      284       -2     

Impacted Files	Coverage Δ
pkg/handlers/index/create.go	77.10% <ø> (-0.80%)	⬇️

... and 2 files with indirect coverage changes