fix(sqllab): log exceptions caused by the user as debug and not error

[nytai]

SUMMARY

• Stop logging exceptions in user queries as errors. These exceptions are expected and we already surface them to the user, there's no need to report them as errors. The existing debug logging should be enough to help developers debug user issues.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TEST PLAN

CI passes

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

[nytai]

This doesn't seem very useful, all that ends up being logged is something like

Query 694: <class 'pymssql.ProgrammingError'>

Which is very noisy and not very useful from a developer perspective.

[codecov-commenter]

Codecov Report

Merging #10676 into master will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #10676      +/-   ##
==========================================
+ Coverage   64.36%   64.41%   +0.04%     
==========================================
  Files         785      785              
  Lines       36981    36980       -1     
  Branches     3530     3530              
==========================================
+ Hits        23803    23819      +16     
+ Misses      13070    13052      -18     
- Partials      108      109       +1     

Flag	Coverage Δ
#cypress	54.83% <ø> (+0.01%)	⬆️
#javascript	60.91% <ø> (ø)
#python	59.77% <ø> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
superset/sql_lab.py	78.69% <ø> (+0.34%)	⬆️
superset-frontend/src/reduxUtils.ts	70.88% <0.00%> (-8.87%)	⬇️
superset-frontend/src/SqlLab/actions/sqlLab.js	62.60% <0.00%> (-1.93%)	⬇️
superset-frontend/src/SqlLab/reducers/sqlLab.js	39.41% <0.00%> (-1.66%)	⬇️
superset/db_engine_specs/presto.py	81.65% <0.00%> (-0.68%)	⬇️
superset/connectors/sqla/models.py	89.72% <0.00%> (+0.13%)	⬆️
superset/views/core.py	74.40% <0.00%> (+0.24%)	⬆️
superset/models/core.py	87.50% <0.00%> (+0.83%)	⬆️
...t-frontend/src/dashboard/actions/dashboardState.js	60.13% <0.00%> (+1.30%)	⬆️
.../src/dashboard/components/gridComponents/Chart.jsx	85.71% <0.00%> (+2.04%)	⬆️
... and 2 more

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