KT-62560 [SLC] Fix handling of empty varargs in annotations

compiler/testData/asJava/lightClasses/lightClassByPsi/annotationWithVaragArguments.kt

@@ -0,0 +1,22 @@
+annotation class A(vararg val x: Int)
+annotation class B(val x: String, vararg val y: Int, val z: String)
+annotation class C(val a: A, val b: B)
+annotation class D(vararg val x: String = ["a", "b"])
+annotation class E(val d: D)
+
+@A
+@B(x = "x", z = "z")
+@C(A(), B("x", z = "z"))
+@D()
+@E(d = D())
+fun foo() {}
+
+@A(1)
+@B("x", 1, z = "z")
+@C(A(1), B("x", 1, z = "z"))
+fun bar() {}
+
+@A(1, 2)
+@B("x", 1, 2, z = "z")
+@C(A(1, 2), B("x", 1, 2, z = "z"))
+fun baz() {}