The server is disconnected when the MEE window is minimized

Steps to Reproduce:
1. Open server in Education Edition
2. Minimize the Education Edition window.
3. After a while, re-enabled the Education Edition window.

Observed Results:
1. Minimize the window and return it, the connection with the server is cut off and you return to the main screen.
2. If it is a hosting server, other users cannot join the server.

Expected Results:
Even if the window is minimized, the connection to the server should be maintained.