Keep braces in redundant cascade if #KT-19704 Fixed

idea/testData/inspectionsLocal/constantConditionIf/expressionElseIfBlock.kt.after

@@ -0,0 +1,13 @@
+// WITH_RUNTIME
+
+fun foo(x: Int) {}
+
+fun bar(s: String?) {
+    if (s == null) {
+        1
+    }
+    else {
+        foo(1)
+        2
+    }
+}