Changes made with the property matrix are undone when compiling a widget

Changes made with the property matrix are undone when compiling a widget

1. Download the attached project
2. Open the project
3. Open the "Test" widget
4. Shift select all widgets in the hierarchy
5. Click the button to open the property matrix in the details panel
6. Select a text block within the property matrix
7. Search for "Specified Color"
8. Click the pin icon for this property to create a new column
9. Change the color values for some of the text blocks
10. Open the "Test" widget blueprint
11. Notice that the color changes have taken place in the designer tab
12. Click the compile button
13. Notice that the text reverts back to their default color

Expected: The values set using the property matrix would remain after compiling the widget
Result: The changes made in the property matrix are removed once the widget is compiled