Navmesh not present for Mesh Partition terrain when using world partition navmesh builder

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1. Create a world partition level
2. Add multiple mesh terrain and multiple NavMesh bounds volume enveloping each one of them
3. Bake/build Mesh Partition so we have up-to-date compiled sections
4. Save & Close editor
5. Build NavMesh through WorldPartition commandlet: _.\UnrealEditor-Cmd.exe {PROJECT}

   .uproject

   {LevelName}

   -run=WorldPartitionBuilderCommandlet -SCCProvider=None -Builder=WorldPartitionNavigationDataBuilder -AllowCommandletRendering_

6. Open Editor and observe no NavMesh was baked