Prevent creator from being approver (even via reassignment)

Summary:

Could you please assist us by suggesting or implementing the correct configuration that will:

*Prevent self-approval (i.e., ensure the approver is not the same as the creator)

*Maintain the approval workflow for other valid users
*Could you please assist in implementing a restriction to ensure that the submitter or creator cannot act as an approver under any circumstances, including through reassignment, for item creation or updates

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