[Patterns][records] Instanceof with record deconstruction patterns should never be flagged as unnecessary

[srikanth-sankaran]

interface I {
}

final class A implements I {
}

final class B implements I {
}

record R(I x, I y) {
}

public class X {
	public static boolean foo(R r) {
		if (r instanceof R(A a1, A a2))  // wrong warning here: The expression of type R is already an instance of type R 
			return true;
		return false;
	}

	public static void main(String argv[]) {
		System.out.println(X.foo(new R(new A(), new A())));
		System.out.println(X.foo(new R(new A(), new B())));
	}
}