feat(backend-native): Add forceContinueWait parameter to /cubesql API endpoint

[MazterQyou]

Check List

• Tests have been run in packages where changes have been made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

Description of Changes Made

This PR adds forceContinueWait optional boolean parameter to /cubesql API endpoint which, when enabled, surfaces Continue wait errors over HTTP transport instead of looping and holding the connection indefinitely.

[codecov]

Codecov Report

❌ Patch coverage is 84.61538% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.43%. Comparing base (159f528) to head (98213dc).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
packages/cubejs-api-gateway/src/sql-server.ts	0.00%	1 Missing ⚠️
rust/cubesql/cubesql/src/compile/engine/df/scan.rs	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #10385       +/-   ##
===========================================
+ Coverage   57.49%   78.43%   +20.94%     
===========================================
  Files         222      472      +250     
  Lines       17334    92031    +74697     
  Branches     3544     3544               
===========================================
+ Hits         9966    72188    +62222     
- Misses       6831    19306    +12475     
  Partials      537      537               

Flag	Coverage Δ
cube-backend	57.49% <50.00%> (ø)
cubesql	83.29% <90.90%> (?)

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[hank-sq]

I actually just filed this #10387 - funny timing! Thanks for working on this.