The Build Nanite property is disabled after reimporting a mesh that has Build Nanite enabled

Regression no, the issue was reproduced in Windows //UE5/Release-5.0 CL 20280985

repro rate 3/3

After the user tries reimport mesh with nanite enabled from mesh editor the mesh was reimported with nanite disabled.

1. Open QAGame project
2. Click Import in Content Browser window
3. In pop-up, navigate to ../WorkspaceFolder/Sandbox/QASourceAssets/Meshes/SM_MeshDetails/FBX_2013 folder
4. Select SM_BasicImport_2013 file
5. Click Open
6. In FBX Import Options pop-up, make sure Build Nanite is disabled in Advanced import options in Mesh section
7. Click Import
8. Double click on the imported asset in Content browser in order to open it in the Static Mesh Editor
9. In Import Settings section, enable Build Nanite
10. Click Reimport Base Mesh in Header of Static Mesh Editor

Actual result: the mesh was reimported with Build Nanite disabled

Expected result: Enabled is checked in Nanite Settings section of Static Mesh Details