Correct processing of "is" check

idea/testData/findUsages/kotlin/conventions/components/dataClass.2.kt

@@ -24,6 +24,7 @@ fun listOfA() = listOf<A>(A(1, "", ""))
 fun x(o: Any) {
     if (o is A) {
         val (x, y) = o
+        val (x1, y1) = A(1, "", "")
     }
 }
 

idea/testData/findUsages/kotlin/conventions/components/dataClass.results.txt

@@ -6,7 +6,8 @@
 [dataClass.2.kt] Value read 13 val (x4, y4, z4) = listOfA()[0]
 [dataClass.2.kt] Value read 15 val (x5, y5, z5) = javaClass.getA()[0]
 [dataClass.2.kt] Value read 26 val (x, y) = o
-[dataClass.2.kt] Value read 32 val (x, y) = list[0]
+[dataClass.2.kt] Value read 27 val (x1, y1) = A(1, "", "")
+[dataClass.2.kt] Value read 33 val (x, y) = list[0]
 [dataClass.2.kt] Value read 5 a.n
 [dataClass.2.kt] Value read 8 val (x, y, z) = a
 [dataClass.2.kt] Value read 9 val (x1, y1, z1) = f()