KJS: Fix loop levels in ContinueReplacingVisitor (KT-24777)

js/js.translator/testData/box/inline/continueInLoopWithInlinableCondition.kt

@@ -0,0 +1,24 @@
+// EXPECTED_REACHABLE_NODES: 1122
+/*
+Modified test case from KT-24777
+ */
+package foo
+
+inline fun condition() = false
+
+fun run(x: Boolean): String {
+    var y = 0
+    do {
+        if (y > 0)
+            return "NOT OK"
+        y += 1
+        do {
+        } while (false)
+        if (x) continue
+    } while (condition())
+    return "OK"
+}
+
+fun box(): String {
+    return run(true)
+}