Fix bytecode optimisations for consequent boxing

compiler/testData/codegen/bytecodeText/inlineClasses/boxResultInlineClassOfConstructorCall.kt

@@ -6,11 +6,11 @@ fun test() {
     val a = Result<Int>(1) // valueOf
     val b = Result<String>("sample")
 
-    val c = Result<Result<Int>>(a) // box
-    val d = Result<Result<Int>>(Result<Int>(1)) // valueOf, box
+    val c = Result<Result<Int>>(a)
+    val d = Result<Result<Int>>(Result<Int>(1)) // valueOf
 }
 
-// 2 INVOKESTATIC Result\$Erased.box
+// 0 INVOKESTATIC Result\$Erased.box
 // 0 INVOKEVIRTUAL Result.unbox
 
 // 2 valueOf