Compilation failure on UE 5.7 due to deprecated ULandscapeMeshCollisionComponent

[XMatrixXiang]

When building Nav3D against Unreal Engine 5.7, the project fails to compile because
ULandscapeMeshCollisionComponent has been fully deprecated and removed.

The relevant code is in Nav3DData.cpp, where ULandscapeMeshCollisionComponent is still referenced.

UCLASS() class UE_DEPRECATED(5.7, "RetopologizeTool/XYOffset deprecated with the removal of non-edit layer landscapes") ULandscapeMeshCollisionComponent_DEPRECATED : public ULandscapeHeightfieldCollisionComponent {