[24.1] Fix resume_paused_jobs if no session provided

[mvdbeek]

No session means no history.
Fixes #18639:

AttributeError: 'NoneType' object has no attribute 'resume_paused_jobs'
(1 additional frame(s) were not displayed)
...
  File "galaxy/web/framework/middleware/error.py", line 167, in __call__
    app_iter = self.application(environ, sr_checker)
  File "galaxy/web/framework/middleware/statsd.py", line 29, in __call__
    req = self.application(environ, start_response)
  File "galaxy/web/framework/base.py", line 174, in __call__
    return self.handle_request(request_id, path_info, environ, start_response)
  File "galaxy/web/framework/base.py", line 268, in handle_request
    body = method(trans, **kwargs)
  File "galaxy/webapps/galaxy/controllers/history.py", line 249, in resume_paused_jobs
    history.resume_paused_jobs()

Uncaught Exception

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How to test the changes?

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• I've included appropriate automated tests.
• This is a refactoring of components with existing test coverage.
• Instructions for manual testing are as follows:
  1. [add testing steps and prerequisites here if you didn't write automated tests covering all your changes]

License

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[galaxyproject-sentryintegration]

Suspect Issues

This pull request was deployed and Sentry observed the following issues:

• ‼️ OperationalError: (psycopg2.errors.DeadlockDetected) deadlock detected https://127.0.0.1:8081/history/resume_paused_jobs View Issue

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