Optimize GetRefs, correct and add indexes on ref table

[din-mukhammed]

Changes

• Added idx_path_gin_trgm index on Path using GIN for optimizing LIKE queries on GetRefs

Fixes

• Fixed idx_name_gin index on ref table which was incorrectly implemented on https://github.com/0chain/blobber/pull/1080 for goose introduction

https://github.com/0chain/blobber/blob/c506cf6b98b3afcd15b9ba27a89286f4be283045/goose/migrations/001_blobber_meta.sql#L737-L741

Tests

Tasks to complete before merging PR:

• [ ] Ensure system tests are passing. If not Run them manually to check for any regressions :clipboard:
• [ ] Do any new system tests need added to test this change? do any existing system tests need updated? If so create a PR at 0chain/system_test
• [ ] Merge your system tests PR to master AFTER merging this PR

Associated PRs (Link as appropriate):

• 0chain:
• gosdk:
• system_test:
• zboxcli:
• zwalletcli:
• Other: ...

[codecov-commenter]

Codecov Report

Merging #1284 (c6fd716) into sprint-1.11 (bfe27aa) will not change coverage. The diff coverage is n/a.

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@@             Coverage Diff              @@
##           sprint-1.11    #1284   +/-   ##
============================================
  Coverage        23.99%   23.99%           
============================================
  Files               85       85           
  Lines             9862     9862           
============================================
  Hits              2366     2366           
  Misses            7202     7202           
  Partials           294      294           

Flag	Coverage Δ
Unit-Tests	23.99% <ø> (ø)

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Files	Coverage Δ
code/go/0chain.net/blobbercore/reference/ref.go	0.00% <ø> (ø)