Allow to move "when entry" at closing brace

idea/testData/codeInsight/moveUpDown/closingBraces/when/whenEntry2.kt.after

@@ -0,0 +1,16 @@
+// MOVE: up
+
+fun foo(n: Int) {
+    when (n) {
+        0 -> {
+
+        }
+        else -> {
+
+        }<caret>
+        1 -> {
+
+        }
+    }
+    val x = ""
+}