Fix NPE regression in 4.8.0

[Kouzukii]

Selenium 4.8.0 introduced a NullPointerException when a node is started with a browserName not in [chrome, firefox, microsoftedge]

Motivation and Context

We use a custom selenium node to run tests in a Safari browser, but when upgrading to 4.8.0 we could no longer start the node due to this NullPointerException.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[pujagani]

Thank you for your contribution and for helping fix the issue. The changes look good to me. Waiting for the CI to pass then will merge it.

[codecov-commenter]

Codecov Report

Base: 54.65% // Head: 54.65% // No change to project coverage 👍

Coverage data is based on head (5f0dd62) compared to base (c79cab5).
Patch has no changes to coverable lines.

❗ Current head 5f0dd62 differs from pull request most recent head e4df55f. Consider uploading reports for the commit e4df55f to get more accurate results

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Additional details and impacted files

@@           Coverage Diff           @@
##            trunk   #11701   +/-   ##
=======================================
  Coverage   54.65%   54.65%           
=======================================
  Files          85       85           
  Lines        5643     5643           
  Branches      244      244           
=======================================
  Hits         3084     3084           
  Misses       2315     2315           
  Partials      244      244           

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[pujagani]

Thank you @Kouzukii!