chore: Set limit for a query in execute_sql_statement

[AAfghahi]

SUMMARY

For Async queries, the limit was not being passed into the query object. This had the adverse effect of making it so that there was no limit when returning a query in SQL Lab.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #20066 (d0652b9) into master (62e1c34) will increase coverage by 0.14%.
The diff coverage is n/a.

❗ Current head d0652b9 differs from pull request most recent head 0149444. Consider uploading reports for the commit 0149444 to get more accurate results

@@            Coverage Diff             @@
##           master   #20066      +/-   ##
==========================================
+ Coverage   66.28%   66.43%   +0.14%     
==========================================
  Files        1712     1719       +7     
  Lines       63968    64334     +366     
  Branches     6731     6731              
==========================================
+ Hits        42404    42739     +335     
- Misses      19853    19884      +31     
  Partials     1711     1711              

Flag	Coverage Δ
hive	53.69% <ø> (+0.03%)	⬆️
mysql	82.13% <ø> (+0.13%)	⬆️
postgres	82.19% <ø> (+0.14%)	⬆️
presto	53.55% <ø> (+0.03%)	⬆️
python	82.58% <ø> (+0.10%)	⬆️
sqlite	?
unit	49.39% <ø> (+0.76%)	⬆️

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

Impacted Files	Coverage Δ
superset/sqllab/sqllab_execution_context.py	90.55% <ø> (ø)
superset/db_engine_specs/sqlite.py	91.89% <0.00%> (-5.41%)	⬇️
superset/utils/celery.py	86.20% <0.00%> (-3.45%)	⬇️
superset/connectors/sqla/utils.py	88.75% <0.00%> (-2.50%)	⬇️
superset/result_set.py	96.85% <0.00%> (-1.58%)	⬇️
superset/databases/commands/test_connection.py	98.59% <0.00%> (-1.41%)	⬇️
superset/models/slice.py	84.95% <0.00%> (-0.49%)	⬇️
superset/sql_validators/presto_db.py	82.43% <0.00%> (-0.47%)	⬇️
superset/connectors/sqla/models.py	89.57% <0.00%> (-0.38%)	⬇️
superset/db_engine_specs/base.py	88.08% <0.00%> (-0.21%)	⬇️
... and 42 more

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[betodealmeida]

Looks great!