chore: Add Horizontal FilterBar e2e tests

[geido]

SUMMARY

Adds Horizontal FilterBar e2e tests

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N.A.

TESTING INSTRUCTIONS

All tests should pass

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 #22305 (62ee069) into master (aba3b81) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #22305   +/-   ##
=======================================
  Coverage   66.85%   66.85%           
=======================================
  Files        1847     1847           
  Lines       70497    70497           
  Branches     7722     7722           
=======================================
  Hits        47131    47131           
  Misses      21365    21365           
  Partials     2001     2001           

Flag	Coverage Δ
hive	52.53% <ø> (ø)
javascript	53.77% <ø> (ø)
mysql	77.96% <ø> (ø)
postgres	78.02% <ø> (ø)
presto	52.42% <ø> (ø)
python	81.24% <ø> (ø)
sqlite	76.49% <ø> (ø)
unit	50.92% <ø> (ø)

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

Impacted Files	Coverage Δ
...rontend/src/components/DropdownContainer/index.tsx	72.83% <ø> (ø)
superset-frontend/src/components/Loading/index.tsx	100.00% <ø> (ø)
...ers/FilterBar/FilterBarOrientationSelect/index.tsx	92.85% <ø> (ø)
.../components/nativeFilters/FilterBar/Horizontal.tsx	100.00% <ø> (ø)

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[jinghua-qa]

LGTM