Serial Plotter window title not updated on port change

[per1234]

Describe the bug

The Serial Plotter window is titled with the name of the port.

🐛 When a different port is selected in the IDE while Serial Plotter is open, the plotter correctly switches to reading data from the new port. However, the window title still shows the initial port name.

To Reproduce

1. Open Serial Plotter.
   Note that the Serial Plotter window title shows the port name that is selected.
2. Select a different port in the Arduino IDE.

🐛 The Serial Plotter window title still shows the initial port name:

Expected behavior

Serial Plotter window title matches the port that data is being read from.

Desktop

• OS: Windows 10
• Version: 2.0.0-rc1-snapshot.be55a0a
  Date: 2021-12-03T11:09:57.266Z
  CLI Version: 0.20.1 [abb21449]

[per1234]

Closing as fixed by #982