client: Make set-active qt6

piket_client/set_active.py

 
 # pylint: disable=E0611
 from PySide6.QtWidgets import (
-    QAction,
-    QActionGroup,
     QApplication,
     QGridLayout,
     QInputDialog,
     QToolBar,
     QWidget,
 )
-from PySide6.QtGui import QIcon
+from PySide6.QtGui import QIcon, QAction, QActionGroup
 from PySide6.QtCore import QObject, QSize, Qt, Signal, Slot
 
 # pylint: enable=E0611