impose chatgpt first question required

Author: car031

logicaldoc-gui/src/main/java/com/logicaldoc/gui/frontend/client/ai/robot/RobotThread.java

@@ -100,7 +100,8 @@ public void open(String initialQuestion) {
 
 		addItem(contents);
 
-		ask(initialQuestion);
+		if(initialQuestion!=null && !initialQuestion.isEmpty())
+			ask(initialQuestion);
 
 		show();
 	}

logicaldoc-gui/src/main/java/com/logicaldoc/gui/frontend/client/chatgpt/ChatGPTTray.java

@@ -21,6 +21,7 @@ public class ChatGPTTray extends MenuTray {
 	public ChatGPTTray() {
 		TextItem question = ItemFactory.newTextItem("chatgpt", "");
 		question.setWidth(250);
+		question.setRequired(true);
 		question.addKeyPressHandler(event -> {
 			if (event.getKeyName() != null && "enter".equalsIgnoreCase(event.getKeyName()))
 				onAsk(question.getValueAsString());
@@ -37,6 +38,9 @@ public ChatGPTTray() {
 	}
 
 	private void onAsk(String question) {
+		if(!validate())
+			return;
+		
 		if (DocumentController.get().getCurrentSelection().isEmpty())
 			SC.warn(I18N.message("nodocsselected"));
 		else