update init files

src/ui/dialogs/__init__.py

@@ -1,10 +1,4 @@
-from .app_ext import Ui_Dialog as App_Ext_Dialog
 from .bookdata import BookDataUI as edit_bookdata_ui
-from .dialog_sources.newMailTemplateDesigner_ui import (
-    Ui_Dialog as NewMailTemplateDesignerDialog,
-)
-from .dialog_sources.Ui_mail_preview import Ui_eMailPreview as MailPreviewDialog
-from .fileparser import FileParserDialog as fileparser_ui
 from .login import LoginDialog as login_ui
 from .mail import Mail_Dialog
 from .mailTemplate import MailTemplateDialog
@@ -16,6 +10,7 @@ from .settings import Settings
 from .about import About
 from .elsa_gen_confirm import ElsaGenConfirm
 from .elsa_add_entry import ElsaAddEntry
+from .app_ext import ApparatExtendDialog
 
 __all__ = [
     "ext_app",