focus OK button in "Analyze stacktrace" dialog (IDEA-106726)

java/java-impl/src/com/intellij/unscramble/UnscrambleDialog.java

@@ -213,6 +213,10 @@ public class UnscrambleDialog extends DialogWrapper {
     return new Action[]{createNormalizeTextAction(), getOKAction(), getCancelAction(), getHelpAction()};
   }
 
+  public JComponent getPreferredFocusedComponent() {
+    return getButtons()[1]; //ok
+  }
+
   private void createLogFileChooser() {
     myLogFile = new TextFieldWithHistory();
     JPanel panel = GuiUtils.constructFieldWithBrowseButton(myLogFile, new ActionListener() {
@@ -417,10 +421,6 @@ public class UnscrambleDialog extends DialogWrapper {
     return "#com.intellij.unscramble.UnscrambleDialog";
   }
 
-  public JComponent getPreferredFocusedComponent() {
-    return myStacktraceEditorPanel.getEditorComponent();
-  }
-
   @Nullable
   private static String getExceptionName(String unscrambledTrace) {
     @SuppressWarnings("IOResourceOpenedButNotSafelyClosed")

platform/platform-api/src/com/intellij/openapi/ui/DialogWrapper.java

@@ -991,6 +991,10 @@ public abstract class DialogWrapper {
     return getDimensionServiceKey();
   }
 
+  protected JButton[] getButtons() {
+    return myButtons;
+  }
+
   public int getExitCode() {
     return myExitCode;
   }