Patch notes:
- Current UAssetAPI commit is 5abac6d.
- Updated UAssetGUI & UAssetAPI to .NET Framework 4.7.2.
- Fleshed out TextProperty implementation.
- Made the ObjectProperty preview read-only so it cannot be mistakenly modified.
- Fixed a bug in which Color properties would be serialized incorrectly.
- Fixed a bug in which property offsets would not be updated when saving.
- Fixed a bug in which duplicate name map entries would cause a crash.
- Fixed a bug in which certain export names would cause a crash.
- A variety of internal changes along with other miscellaneous bug fixes and parsing adjustments.