feat: user-friendly display of pull event handler name

[isc-pbarton]

Description

Resolves #908

The "Pull Event Handler" dropdown in the Embedded Git settings page now displays the user-friendly name for options as specified by the NAME parameter instead of the class name. Hover text on the options displays the class name and the description.

Testing

docker compose up --build -d

Visited http://localhost:52774/isc/studio/usertemplates/gitsourcecontrol/gitprojectsettings.csp and tested viewing and changing the pull event handler input. Tested saving the form and confirmed it persisted.

Checklist

• This branch has the latest changes from the main branch rebased or merged.
• Web UI has been built (any changes in git-webui/src have matching changes in git-webui/release)
• CHANGELOG.md entry added if appropriate.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 49.10%. Comparing base (6438970) to head (4ee2d51).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #967   +/-   ##
=======================================
  Coverage   49.10%   49.10%           
=======================================
  Files          23       23           
  Lines        3287     3287           
=======================================
  Hits         1614     1614           
  Misses       1673     1673           

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