Make gcs remote log args optional when using connection id

[gopidesupavan]

When connection id is set in remote logging config, its not required to set these args, the first lookup we are doing with connectionid.

https://github.com/gopidesupavan/airflow/blob/bc3b4ec6a67a63fd464e93d76807cd9a5dadaa7d/providers/google/src/airflow/providers/google/cloud/log/gcs_task_handler.py#L92

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[gopidesupavan]

This avoids setting empty dict to remote_task_handler_kwargs otherwise the initialisation will fail

https://apache-airflow.slack.com/archives/CCQ7EGB1P/p1746579821817069?thread_ts=1745522030.825469&cid=CCQ7EGB1P

[gopidesupavan]

Tested changes works fine:

[gopidesupavan]

cc: @eladkal would it be possible to add this in the next wave?

[amoghrajesh]

@gopidesupavan does this fix the remote logging issue?

[gopidesupavan]

@gopidesupavan does this fix the remote logging issue?

With LocalExecutor remote logging not working, not sure need to drill down :)

When i testing this gcs issue, i got the above issue.

With Celery executor its working fine, no errors. this PR change tested with celery executor.