Reproduction steps:
1. Create any new project
2. Install ‘Input System’ Package
3. Create a new project-wide Action Asset (Edit > Project Settings > Input System Package)
4. Double-click on the Asset from the Project Window to open it in a separate Window
5. Resize any of the columns
6. Make any changes in the Asset (e.g. add a new action)
7. Click ‘Save Asset’

Expected result: The column layout does not change
Actual result: The column layout resets to default

Reproducible with: 1.8.0 (2022.3.55f1, 6000.0.33f1, 6000.1.0b1), 1.11.2 (2022.3.55f1, 6000.0.33f1, 6000.1.0b1)
Not reproducible with: 1.8.0-pre.2 (2022.3.55f1, 6000.0.33f1, 6000.1.0b1)
Couldn’t test with: 1.8.0-pre.2, 1.8.0, 1.11.2 (2021.3.47f1) (Cannot resize the columns)

Reproducible on: Windows 11
Not reproducible on: No other environment tested

Note:
- Also reproduces when saving with Ctrl+S