message: Renamed output meshes in scattered data interpolation example (again)
  Based on PR request.
diff: @@ -723,7 +723,7 @@ int main(int argc, char** argv)
  // Write input mesh to file
  {
  - std::string file = params.outputFile + "_input";
  + std::string file = params.outputFile + "_input_mesh";
  SLIC_INFO(axom::fmt::format("Writing input mesh to '{}'", file));
  inputMesh.saveMesh(file, params.outputProtocol);
  }
  @@ -790,7 +790,7 @@ int main(int argc, char** argv)
  // Write query mesh to file
  {
  - std::string file = params.outputFile + "_interpolated";
  + std::string file = params.outputFile + "_output_mesh";
  SLIC_INFO(axom::fmt::format("Writing interpolated point mesh to '{}'", file));
  queryMesh.saveMesh(file, params.outputProtocol);
  }
  