Reproduction steps:
1. Open the attached “BugRepro” project
2. Open 2 “TestFocusWindow” windows (Bug > Open Test Window)
3. Dock both “TestFocusWindow” tabs to one window
4. In the “Input” field type any text
5. Click on another “TestFocusWindow” tab
6. Go back to the “TestFocusWindow” tab where you inputted the text

Expected result: The inputted text shows below the “Input” field
Actual result: The inputted text does not show up

Reproducible with: 2021.3.32f1, 2022.3.14f1, 2023.2.1f1, 2023.3.0a15

Reproducible on: Windows 10
Not reproducible on: No other environment tested

Note:
- When “TestFocusWindow” windows are separated (undocked), after inputting the value and focusing on another window, the inputted text shows up