Feature: Reset window size & position

**Describe your issue**:
I'm using multiple screen, three at Office, two at home, last time I used NETworkManager the window was on the third screen at Office
today I'm at home with my two screens but I'm seeing only the bottom of the window of the apps (screenshot)

**Steps to reproduce the issue**:

1.launch the apps, put it on third screen, close the apps, reopen, still on third screen
2.going home , launching apps seeing bottom of the window, trying cascade window, stack window, window side by side
tha NETworkmanager window never come back on the current screens (home with two monitors)
3.the black part at the up left of the screenshot is the NETWorkManager window

**NETworkManager version**:
last one
**Windows version**:
10 - 21H2
**.NET-Framework version**:

**Screenshots**

Eventlog (if application crashes)

Reproduce the issue using the reported steps: place the NETworkManager window on a third monitor, close it, then reopen it with only two monitors connected. Confirm the desired reset behavior for window size and position, and verify that the window appears fully on the current screens after reopening.

Written by the indexing model from the issue text.