Keep braces in redundant cascade if #KT-19704 Fixed

idea/testData/inspectionsLocal/constantConditionIf/statementElseIf.kt

@@ -0,0 +1,15 @@
+fun foo(s: String) {}
+
+fun bar(s: String?) {
+    if (s == null) {
+        1
+    }
+    else if (<caret>true) {
+        foo("a")
+        foo("b")
+        2
+    }
+    else {
+        3
+    }
+}