Settlement did not create a “common fund” that would justify the payment of legal fees from the estate when one residuary beneficiary made a payment to the other three residuary beneficiaries, and no other beneficiaries were unjustly enriched by the efforts of the counsel for the three beneficiaries. Estate of Anita M. Moon, Deceased, 8 Fid.Rep.3d 292 (Bucks O.C. 2018), on appeal, 1801 EDA 2018 (Pa. Super.).