[REF] Duplicate processMembership preliminary to cleanup

[eileenmcnaughton]

Overview

[REF] Duplicate processMembership preliminary to cleanup

Before

Long convuluted function shared although most of the content is not

After

Copies to the Entry class so that version can be tidied up

Technical Details

This used to be shared by 3 places. We've copied & cleaned up one. This duplicates to the
second once I've done some cleaning up I'll deprecate this & also duplicate to the 3rd

Comments

[civibot]

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