fix(chat): hide progress bar after update #51

This commit hides the progress bar after the update process is complete to provide a cleaner user interface.

src/main/kotlin/cc/unitmesh/devti/gui/chat/ChatCodingPanel.kt

@@ -233,6 +233,7 @@ class ChatCodingPanel(private val chatCodingService: ChatCodingService, val disp
         chatCodingService.clearSession()
         progressBar.isVisible = false
         myList.removeAll()
+        this.hiddenProgressBar()
         updateUI()
     }