"Cascade if" inspection: do not suggest for one-line if

idea/testData/inspectionsLocal/cascadeIf/oneLiner.kt

@@ -0,0 +1,5 @@
+// PROBLEM: none
+
+fun foo(a: Boolean, b: Boolean): Int {
+    return <caret>if (a) 42 else if (b) 13 else 0
+}