Landlord-tenant — Public housing — Eviction — Waiver — Acceptance of rent — Lease providing that rent monies paid after commencement of eviction action will be applied to security deposit that was paid before tenant took possession of premises seeks to circumvent statutory requirement for landlord to return or deposit into court registry any rent paid after commencement of eviction action — By accepting rent, landlord waived right to maintain eviction action — Complaint is dismissed with prejudice