[REF] Cleanup a few instances where we use old call to get loggedInUserID

[eileenmcnaughton]

Overview

Minor code clean up on a pattern we've been cleaning up for a while

Before

CRM_Core_Session::singleton()->get('userID');

After

CRM_Core_Session::getLoggedInContactID();

Technical Details

Comments

[civibot]

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[seamuslee001]

This looks good to me