fix(@cubejs-client/playground): stop processing query once it has changed

[vasilev-alex]

No description provided.

[codecov]

Codecov Report

Merging #2731 (166926a) into master (4231775) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2731      +/-   ##
==========================================
- Coverage   56.78%   56.75%   -0.04%     
==========================================
  Files         115      115              
  Lines        8777     8780       +3     
  Branches     1865     1867       +2     
==========================================
- Hits         4984     4983       -1     
- Misses       3459     3461       +2     
- Partials      334      336       +2     

Impacted Files	Coverage Δ
packages/cubejs-backend-shared/src/env.ts	42.27% <0.00%> (-0.35%)	⬇️
packages/cubejs-server-core/src/core/server.ts	52.38% <0.00%> (-0.27%)	⬇️
...ejs-schema-compiler/src/adapter/ClickHouseQuery.js	5.95% <0.00%> (-0.15%)	⬇️
packages/cubejs-server-core/src/core/DevServer.ts	8.45% <0.00%> (ø)
...ckages/cubejs-server-core/src/core/agentCollect.js	18.18% <0.00%> (ø)
...ges/cubejs-server-core/src/core/optionsValidate.ts	100.00% <0.00%> (ø)

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