message: `export`: Retain the msbuild subfolder for cmake integration to also work
diff: @@ -30,9 +30,10 @@ namespace vcpkg::Commands::Export
  <files>
  <file src="@RAW_EXPORTED_DIR@\installed\**" target="installed" />
  <file src="@RAW_EXPORTED_DIR@\.vcpkg-root" target="" />
  - <file src="@RAW_EXPORTED_DIR@\msbuild\applocal.ps1" target="build\native\applocal.ps1" />
  - <file src="@RAW_EXPORTED_DIR@\msbuild\vcpkg.targets" target="build\native\@NUGET_ID@.targets" />
  + <file src="@RAW_EXPORTED_DIR@\msbuild\applocal.ps1" target="build\native\msbuild\applocal.ps1" />
  + <file src="@RAW_EXPORTED_DIR@\msbuild\vcpkg.targets" target="build\native\msbuild\vcpkg.targets" />
  <file src="@RAW_EXPORTED_DIR@\vcpkg.cmake" target="build\native\vcpkg.cmake" />
  + <file src="@RAW_EXPORTED_DIR@\vcpkg.targets" target="build\native\@NUGET_ID@.targets" />
  </files>
  </package>
  )";
  @@ -43,6 +44,15 @@ namespace vcpkg::Commands::Export
  return nuspec_file_content;
  }
  + static std::string create_targets_redirect(const std::string& target_path) noexcept
  + {
  + return Strings::format(R"###(
  +<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  + <Import Condition="Exists('%s')" Project="%s" />
  +</Project>
  +)###", target_path, target_path);
  + }
  +
  static void print_plan(const std::map<ExportPlanType, std::vector<const ExportPlanAction*>>& group_by_plan_type)
  {
  static constexpr std::array<ExportPlanType, 2> order = { ExportPlanType::ALREADY_BUILT, ExportPlanType::PORT_AVAILABLE_BUT_NOT_BUILT };
  @@ -86,7 +96,7 @@ namespace vcpkg::Commands::Export
  const size_t bytes_written = std::strftime(mbstr, sizeof(mbstr), "%Y%m%d-%H%M%S", &date_time);
  Checks::check_exit(VCPKG_LINE_INFO, bytes_written == 15, "Expected 15 bytes to be written, but %u were written", bytes_written);
  const std::string date_time_as_string(mbstr);
  - return ("vcpkg-exported-" + date_time_as_string);
  + return ("vcpkg-export-" + date_time_as_string);
  }
  static fs::path do_nuget_export(const VcpkgPaths& paths, const fs::path& raw_exported_dir, const fs::path& output_dir)
  @@ -280,6 +290,10 @@ namespace vcpkg::Commands::Export
  Checks::check_exit(VCPKG_LINE_INFO, !ec);
  fs.copy_file(paths.buildsystems / "vcpkg.cmake", raw_exported_dir_path / "vcpkg.cmake", fs::copy_options::overwrite_existing, ec);
  Checks::check_exit(VCPKG_LINE_INFO, !ec);
  + const std::string targets_redirect_content = create_targets_redirect("msbuild/vcpkg.targets");
  + const fs::path targets_redirect = raw_exported_dir_path / "vcpkg.targets";
  + fs.write_contents(targets_redirect, targets_redirect_content);
  + Checks::check_exit(VCPKG_LINE_INFO, !ec);
  if (raw)
  {
  