Land Use—Appellate Division Reversed Trial Court Order Which Annulled Planning Board Approval of Special Permit—Petitioners Had Standing—Board Took Requisite Hard Look at Areas of Concern and Provided Reasoned Elaboration for Its Negative SEQRA Declaration—Trial Court Finding That Engineering Report Was Misleading "Invaded The Province of the Board and Improperly Evaluated Expert Evidence"—When Zoning Law Lists Uses Permitted by Special Use Permit, "It Is Tantamount to a Legislative Finding That the Permitted Use Is In Harmony With the General Zoning Plan and Will Not Adversely Affect the Neighborhood"—Uses Permitted as of Right "May Be More Intense and Affecting" Than Proposed Construction of Barn To Be Used as Seasonal Party Venue—Since Determination Was Not Based on Quasi-Judicial Evidentiary Hearing, Utilization of Substantial Evidence Standard Was Improper