fix: error with Upload Excel form

[aleksandrgordienko]

SUMMARY

Fix error with Upload Excel form

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

1. Create database connection with upload support
2. Create user with Gamma role + permission for Excel uploading + permission for database
3. Try to open the Upload Excel form from the menu
4. If you see the form, the correction fixed error

ADDITIONAL INFORMATION

• Has associated issue: Error while uploading Excel without all_database_access #15866
• 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 #15867 (dc57205) into master (9c854ff) will decrease coverage by 0.12%.
The diff coverage is 0.00%.

❗ Current head dc57205 differs from pull request most recent head dd1da62. Consider uploading reports for the commit dd1da62 to get more accurate results

@@            Coverage Diff             @@
##           master   #15867      +/-   ##
==========================================
- Coverage   77.09%   76.96%   -0.13%     
==========================================
  Files         984      984              
  Lines       51782    51782              
  Branches     7028     7028              
==========================================
- Hits        39920    39853      -67     
- Misses      11637    11704      +67     
  Partials      225      225              

Flag	Coverage Δ
hive	?
mysql	81.53% <0.00%> (ø)
postgres	81.55% <0.00%> (ø)
presto	81.29% <0.00%> (+<0.01%)	⬆️
python	81.83% <0.00%> (-0.26%)	⬇️
sqlite	81.19% <0.00%> (ø)

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

Impacted Files	Coverage Δ
superset/views/database/forms.py	88.88% <0.00%> (ø)
superset/db_engines/hive.py	0.00% <0.00%> (-82.15%)	⬇️
superset/db_engine_specs/hive.py	69.44% <0.00%> (-17.07%)	⬇️
superset/connectors/sqla/models.py	89.71% <0.00%> (-0.24%)	⬇️
superset/utils/core.py	88.12% <0.00%> (-0.13%)	⬇️
superset/db_engine_specs/presto.py	90.31% <0.00%> (+0.42%)	⬆️

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[rusackas]

Pinging @betodealmeida for review/feedback

[villebro]

Closing, as this was fixed by #16756