chore: Use WEBDRIVER_OPTION_ARGS with Playwright

[kgabryje]

SUMMARY

Use WEBDRIVER_OPTION_ARGS with Playwright to enable overriding default Chromium flags from config file.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

Add a flag in WEBDRIVER_OPTION_ARGS in superset/config, verify that the change was picked up by Playwright

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

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (aafb54d) 69.18% compared to head (d2a7296) 69.18%.
Report is 8 commits behind head on master.

Files	Patch %	Lines
superset/utils/webdriver.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #26315      +/-   ##
==========================================
- Coverage   69.18%   69.18%   -0.01%     
==========================================
  Files        1945     1945              
  Lines       75968    75968              
  Branches     8467     8467              
==========================================
- Hits        52557    52556       -1     
- Misses      21224    21225       +1     
  Partials     2187     2187              

Flag	Coverage Δ
hive	53.67% <0.00%> (-0.01%)	⬇️
mysql	78.08% <0.00%> (-0.01%)	⬇️
postgres	78.18% <0.00%> (-0.01%)	⬇️
presto	53.62% <0.00%> (-0.01%)	⬇️
python	82.86% <0.00%> (-0.01%)	⬇️
sqlite	76.83% <0.00%> (-0.01%)	⬇️
unit	55.79% <0.00%> (-0.01%)	⬇️

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