Fix JS source maps for while/do..while statements

js/js.translator/testData/lineNumbers/whileWithComplexCondition.kt

@@ -0,0 +1,15 @@
+fun box() {
+    var i = 0
+    while(
+        try {
+           i++
+        }
+        finally {
+            println("finally: $i")
+        } < i
+    ) {
+        println("body: $i")
+    }
+}
+
+// LINES: 5 2 3 5 8 3 4 9 3 11