Missing option to create/fill attribute `GeneratePathProperty` for element `PackageReference`

Description

To access artifacts (e.g. additional content like shared .proto) from a package, there is an MSBuild property Pkg{normalized package identifier} available, which points to the package cache folder.

To fill that property, it needs to set the attribute GeneratePathProperty for the PackageReference element.

Repro steps

Please provide the steps required to reproduce the problem

1. Consume a package XYZ in new project via Paket

2. Install/Restore the packages

3. Open the file `.../obj/.csproj.paket.props

Expected behavior

It needs such an enhanced entry with GeneratePathProperty="true":

<PackageReference Include="XYZ.Foundation.Messages.Protobuf" GeneratePathProperty="true">
  <Version>0.0.1-alpha.58</Version>
</PackageReference>

Actual behavior

Currently, only this simple form is created:

<PackageReference Include="XYZ.Foundation.Messages.Protobuf">
  <Version>0.0.1-alpha.58</Version>
</PackageReference>

Start by inspecting the generated obj/.csproj.paket.props file after restoring a package, using the issue's current and expected PackageReference examples as the comparison. The work is done when the generated entry includes GeneratePathProperty="true" for the relevant package reference.