Fix: add QRect to QtCore imports

moneypack_browser_final.py

@@ -19,7 +19,7 @@ from PyQt6.QtWidgets import (
     QStatusBar, QInputDialog, QMessageBox, QFileDialog,
     QComboBox, QToolBar
 )
-from PyQt6.QtCore import Qt, QUrl, QTimer, QSize
+from PyQt6.QtCore import Qt, QUrl, QTimer, QSize, QRect
 from PyQt6.QtGui import (
     QAction, QKeySequence, QColor, QFont, QIcon, QPixmap,
     QPainter, QPalette, QShortcut, QLinearGradient, QRadialGradient,