Input Debugger's Device Debug View window does not open and throws a NullReferenceException if the window was previously Maximized

Steps to reproduce:

1. Create a new project
2. Open the Input Debugger window (Window -> Analysis -> Input Debugger)
3. Expand the Devices section and Right-Click on the Mouse Device
4. Select the Open Device Debug View option
5. Dock the opened window and Maximize it
6. Exit maximized mode and close the window
7. Right-click on the Mouse device and select the option to open the Device Debug View window again

Actual results: Device Debug View window does not open and throws a NullReferenceException

Expected results: Device Debug View window is opened and does not throw any warnings or errors if it was previously maximized 

Reproducible with versions: 1.7.0, 1.8.2 (6000.0.0b11), 6.7.0 (6000.7.0a6)

Tested on (OS): macOS 26.6.2, Ubuntu 24