fix(ui): show SCHEDULED_QUERIES template in SqlLab

[cemremengu]

SUMMARY

SCHEDULED_QUERIES is not rendered in UI even when defined as a config. Probably a regression or omitted in PR #15254

Without this entry Schedule option for SqlLab will not be shown in UI since it will never be put under bootstrapData.common.conf needed in here

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 #17854 (3641860) into master (b7707e8) will decrease coverage by 0.18%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #17854      +/-   ##
==========================================
- Coverage   67.09%   66.90%   -0.19%     
==========================================
  Files        1609     1609              
  Lines       64865    64863       -2     
  Branches     6863     6863              
==========================================
- Hits        43518    43397     -121     
- Misses      19483    19602     +119     
  Partials     1864     1864              

Flag	Coverage Δ
hive	?
mysql	82.18% <ø> (ø)
postgres	82.23% <ø> (ø)
presto	?
python	82.31% <ø> (-0.40%)	⬇️
sqlite	81.91% <ø> (ø)

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

Impacted Files	Coverage Δ
superset/views/base.py	74.91% <ø> (ø)
superset/db_engines/hive.py	0.00% <0.00%> (-85.19%)	⬇️
superset/db_engine_specs/hive.py	70.27% <0.00%> (-16.99%)	⬇️
superset/db_engine_specs/presto.py	83.50% <0.00%> (-6.48%)	⬇️
superset/views/database/mixins.py	81.03% <0.00%> (-1.73%)	⬇️
superset/connectors/sqla/models.py	86.85% <0.00%> (-1.58%)	⬇️
superset/models/core.py	89.26% <0.00%> (-0.74%)	⬇️
...uperset-frontend/src/explore/exploreUtils/index.js	66.42% <0.00%> (-0.48%)	⬇️
superset/db_engine_specs/base.py	88.29% <0.00%> (-0.39%)	⬇️
superset/utils/core.py	89.64% <0.00%> (-0.12%)	⬇️
... and 4 more

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[michael-s-molina]

LGTM