Fix tray visibility and message reception issues

- Disable sound initialization to prevent hanging
- Add missing import re in utils.py
- Fix settings loading for QSettings
- Update file paths to use PROJECT_ROOT
- Revert to working API paths and listener from commit efdc63e

venv/lib/python3.12/site-packages/PyQt6/bindings/QtPdfWidgets/QtPdfWidgets.toml

@@ -0,0 +1,6 @@
+# Automatically generated configuration for PyQt6.QtPdfWidgets.
+
+sip-version = "6.14.0"
+sip-abi-version = "13.8"
+module-tags = ["Qt_6_10_0", "Linux"]
+module-disabled-features = ["PyQt_OpenGL_ES2"]