LibMan runs before dependent project targets

Reproduce the failure with the linked example, focusing on ProjectA's libman.json, ProjectA.csproj, and ProjectB's RunLBeforeBuildStepgen target. Inspect the LibraryManager build integration around LibraryManagerRestore and compare its ordering with referenced-project targets. Done means the generated Localizations.js is available before filesystem provider resolution without manually building ProjectB.

Problem
ProjectB generates files in a Target

<Target Name="RunLBeforeBuildStepgen" BeforeTargets="BeforeBuild" >
	<Message Text="=== Generating localizations ===" Importance="high" />
       <WriteLinesToFile File="Localizations.js" Lines="Localization data generated before build." />
</Target>

ProjectA have this in its libman.json

{
  "version": "1.0",
  "defaultProvider": "filesystem",
  "libraries": [
    {
      "library": "../../ProjectB/",
        "files": [ "Localizations.js" ],
      "destination": "wwwroot/assets/l10n/"
    }
  ]
}

dotnet build .\ProjectA\ProjectA\ProjectA.csproj fails:

Restore complete (0.3s)
    info NETSDK1057: You are using a preview version of .NET. See: https://aka.ms/dotnet-support-policy
  ProjectA net8.0 failed with 2 error(s) (0.1s)
    D:\Nuget\microsoft.web.librarymanager.build\3.0.71\build\Microsoft.Web.LibraryManager.Build.targets(35,9): error
      System.AggregateException: One or more errors occurred. (The "../../ProjectB/" library could not be resolved by th
      e "filesystem" provider)
       ---> Microsoft.Web.LibraryManager.Contracts.InvalidLibraryException: The "../../ProjectB/" library could not be r
      esolved by the "filesystem" provider
         at Microsoft.Web.LibraryManager.Providers.FileSystem.FileSystemProvider.GetStreamAsync(ILibraryInstallationStat
      e state, String file, CancellationToken cancellationToken)
         --- End of inner exception stack trace ---
         at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
         at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
         at Microsoft.Web.LibraryManager.Providers.FileSystem.FileSystemProvider.<>c__DisplayClass9_1.<InstallAsync>b__0
      ()
         at Microsoft.Web.LibraryManager.Build.Contracts.HostInteraction.WriteFileAsync(String path, Func`1 content, ILi
      braryInstallationState state, CancellationToken cancellationToken)
         at Microsoft.Web.LibraryManager.Providers.FileSystem.FileSystemProvider.InstallAsync(ILibraryInstallationState
      desiredState, CancellationToken cancellationToken)
    libman.json : error LIB000: An unknown exception occurred

https://github.com/aspnet/LibraryManager/issues/642 describes a similar problem. But in my case its a target in a referenced project. And yes, also tried BeforeTargets="LibraryManagerRestore"

Created a little repo https://github.com/AlexanderRydberg/LibraryManagerTargetIssue

Expected behavior
Targets in referenced project being run before libman.

Is this behavior by design?
Any suggestions on how I could solve this without:
manually building ProjectB first and then ProjectA
or
Copy Target from ProjectB to ProjectA's csproj and have BeforeTargets="LibraryManagerRestore"