JS backend: don't translate labels on expression

#KT-7487 Fixed

js/js.translator/testData/labels/cases/labelOnExpression.kt

@@ -0,0 +1,56 @@
+// CHECK_LABELS_COUNT: function=test0 count=0
+// CHECK_LABELS_COUNT: function=test1 count=0
+// CHECK_LABELS_COUNT: function=test2 count=0
+// CHECK_LABELS_COUNT: function=test3 count=0
+
+package foo
+
+fun myRun<R>(f: () -> R) = f()
+
+fun test0() {
+    val a = @aa 1
+
+    assertEquals(1, a)
+    assertEquals(3, @l1 a + @l2 2)
+
+    val b = @bb if (true) @t "then block" else @e "else block"
+
+    assertEquals("then block", b)
+}
+
+fun test1() {
+    run @label {
+        return@label false
+    }
+}
+
+fun test2() {
+    myRun @label {
+        return@label false
+    }
+}
+
+// KT-7487
+public fun test3() {
+    val f = Foo()
+    f.iter @label {
+        return@label false
+    }
+}
+
+class Foo {
+    inline fun iter(body: ()->Boolean) {
+        for (i in 0 .. 10) {
+            if (!body()) break
+        }
+    }
+}
+
+fun box(): String {
+    test0()
+    test1()
+    test2()
+    test3()
+
+    return "OK"
+}