Do not print message about missing file while retrieving job if file may be missing. BUGZ-4161.
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This merge request is automatically cherrypicked from !1806 from source branch https://source.coderefinery.org/aleksandr.konstantinov/arc/-/tree/suppress_messages_about_non_existing_files orginally made by @aleksandr.konstantinov .
The original MR went to branch: https://source.coderefinery.org/nordugrid/arc/-/tree/next
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Do not print message about missing file while retrieving job if file may be missing.