How to reproduce:
1. Open the project attached by the user("TEST_XboxOneBuild")
2. Update "Input System" package to any newer version than the current one
3. Open the "InputActions" asset located in Assets > Input

Expected result: bindings can be seen in the InputActions asset
Actual result: bindings in the InputActions asset are cleared

Reproducible with: 2019.2.13f1(0.9.5 updated to 0.9.6), 2019.3.0b11(0.9.5 updated to 1.0.0-preview.2), 2020.1.0a12(0.9.5 upated to 1.0.0-preview.2)

Notes:
- For the issue to reproduce when updating to 1.0.0-preview.2 GetActionMap() and GetAction() should be changed to FindActionMap() and FindAction() respectively.
- Input System was introduced in 2019.1