Refactor DAG parameter names for consistency. Changed `dag_id` to `dag` and `dag_run_id` to `dag_run` across level0, level1, and level2 modules and tests.

refactor find function parameters to use obs_group and detector instead of project_id and detector_no

#11599
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sridhar-rl :  fix-run-id
run_id -> dag_run_id, pipeline_run_id -> dag_id #11599
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