probably regression from qt6 migration
Don't use broad generic "except Exception" without at least logging the exception, please...
That's why this was not noticed before, the exception was being swallowed.
Nevertheless, on Linux with wayland, this still does not work (the geometry API is getting dumb values).
On x11 it now works again, as well as on Windows. (haven't tested macos)
```
7.78 | I | gui.qt.main_window.[9dk] | using default geometry
Traceback (most recent call last):
File "...\electrum\electrum\gui\qt\main_window.py", line 538, in init_geometry
screen = self.app.desktop().screenGeometry()
AttributeError: 'QElectrumApplication' object has no attribute 'desktop'
```
937b157d29