feat(cubesql): Metabase string contains / not contains filters

[gandronchik]

• WHERE (lower(column) like '%value%')
• WHERE (NOT (lower(column) like '%value%') OR column IS NULL)

[codecov]

Codecov Report

Merging #4922 (8fcdf1a) into master (8fcdf1a) will not change coverage.
The diff coverage is n/a.

❗ Current head 8fcdf1a differs from pull request most recent head d3279eb. Consider uploading reports for the commit d3279eb to get more accurate results

@@           Coverage Diff           @@
##           master    #4922   +/-   ##
=======================================
  Coverage   73.38%   73.38%           
=======================================
  Files         263      263           
  Lines       29615    29615           
  Branches     2880     2880           
=======================================
  Hits        21734    21734           
  Misses       7379     7379           
  Partials      502      502           

Flag	Coverage Δ
cube-backend	59.88% <0.00%> (ø)
cubesql	81.86% <0.00%> (ø)

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