Delta team/fix comment ui (#10)

fix các bug theo yêu cầu
https://fptsoftware362-my.sharepoint.com/❌/g/personal/nampdt_fpt_com/IQAHBJ4A9xqDTLgvt2bhukJEAdRB5LRz2hbJpTivvIiBSYM?wdExp=TEAMS-TREATMENT&web=1&isSPOFile=1&ovuser=f01e930a-b52e-42b1-b70f-a8882b5d043b%2CAnhTNM1%40fpt.com&clickparams=eyJBcHBOYW1lIjoiVGVhbXMtRGVza3RvcCIsIkFwcFZlcnNpb24iOiI0OS8yNjA4MTMxOTMxNyIsIkhhc0ZlZGVyYXRlZFVzZXIiOmZhbHNlfQ%3D%3D

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Co-authored-by: Duy Le Huu <duylh19@fpt.com>
Reviewed-on: #10
Co-authored-by: Anh Tran Nguyen Minh <anhtnm1@fpt.com>

ui/ext_connector_dialog.py

@@ -18,6 +18,7 @@ from PySide6.QtWidgets import (
 
 from ..core.ext_connectors import CATEGORIES, PRESETS
 from ..i18n import tr
+from .dialog_buttons import dialog_buttons
 
 # ms365 has no user-created entries here (see ConnectorsPanel) — it auto-connects
 # via its own built-in OneDrive/SharePoint toggles, so it's left off this picker.
@@ -119,7 +120,7 @@ class ExtConnectorEditDialog(QDialog):
 
         self._enabled = bool(connector.get("enabled", False))
 
-        buttons = QDialogButtonBox(QDialogButtonBox.Save | QDialogButtonBox.Cancel)
+        buttons = dialog_buttons(QDialogButtonBox.Save | QDialogButtonBox.Cancel)
         buttons.accepted.connect(self._on_accept)
         buttons.rejected.connect(self.reject)
         lay.addWidget(buttons)