8324491: Keyboard layout didn't keep its state if it was changed when dialog was active

Reviewed-by: aivanov, azvegint

Author: dmarkov20

src/java.desktop/windows/classes/sun/awt/windows/WInputMethod.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -319,6 +319,10 @@ public void activate() {
             isLastFocussedActiveClient = isAc;
         }
         isActive = true;
+
+        // Sync currentLocale with the Windows keyboard layout which could be changed
+        // while the component was inactive.
+        getLocale();
         if (currentLocale != null) {
             setLocale(currentLocale, true);
         }