fix: SQL label missing for non-group-by queries

[hexcafe]

SUMMARY

Issue: Currently, the column label is not working if the query is not an aggregate query.

Steps to Reproduce:

1. Create a chart with type table.
2. Set QUERY MODE to Raw records.
3. Rename any column.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

After:

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

All modified and coverable lines are covered by tests ✅

Project coverage is 83.89%. Comparing base (76d897e) to head (639518f).
Report is 1094 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #29420       +/-   ##
===========================================
+ Coverage   60.48%   83.89%   +23.40%     
===========================================
  Files        1931      518     -1413     
  Lines       76236    37468    -38768     
  Branches     8568        0     -8568     
===========================================
- Hits        46114    31434    -14680     
+ Misses      28017     6034    -21983     
+ Partials     2105        0     -2105     

Flag	Coverage Δ
hive	49.10% <ø> (-0.06%)	⬇️
javascript	?
mysql	77.41% <ø> (?)
postgres	77.52% <ø> (?)
presto	53.72% <ø> (-0.08%)	⬇️
python	83.89% <ø> (+20.40%)	⬆️
sqlite	76.99% <ø> (?)
unit	59.65% <ø> (+2.02%)	⬆️

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[villebro]

LGTM, thanks for the fix!