To reproduce:

1. Open Unity and create a New Project
2. Open "SampleScene" scene
3. Open Build Settings and check Development Build and Autoconnect Profiler
4. Build and Run the project on Standalone, iOS or Android
5. When Project is built Profile several frames - in this case, find "File.Read" Marker and observe that it has Metadata
6. Save Profiler Data
7. Clear Profiler Data from Profiler Window
8. Load previously saved Profiler Data
9. Find "File.Read" Marker

Expected results: "File.Read" Marker still has Metadata
Actual results: "File.Read" Marker shows his Name and the Duration but no Metadata ("File.Read" should include info about the filename)

Notes:
- This issue appears on Windows Standalone, macOS Standalone, iOS, and Android
- Metadata is not available only when reloading a capture from file
- Images of Expected and Actual results are shared in the Comments section

Reproduced on Unity 2018.3.0a8, 2018.3.14f1, 2018.4.0f1, 2019.1.2f1, 2019.2.0a14 and 2019.3.0a1
Not reproduced on Unity 2018.3.0a7
Regression on Unity 2018.3.0a8