Create from Usage: Fix "Create class" applicability check for when entries

#KT-22329 Fixed

idea/testData/quickfix/createFromUsage/createClass/callExpression/callInWhenEntry.kt

@@ -0,0 +1,15 @@
+// "Create class 'AAA'" "true"
+// ERROR: Unresolved reference: BBB
+
+abstract class I
+
+fun test(n: Int): I? {
+    return if (n > 0) {
+        when (n) {
+            1 -> <caret>AAA("1")
+            2 -> BBB("2")
+            else -> null
+        }
+    }
+    else null
+}