Add-Type ReferencedAssemblies only works with full file paths now? #23791

PS> Add-Type "public class Style : System.Windows.DependencyObject {}" -ReferencedAssemblies "WindowsBase"
PS>

PS> Add-Type "public class Style : System.Windows.DependencyObject {}" -ReferencedAssemblies "WindowsBase"

Add-Type: (1,37): error CS0234: The type or namespace name 'DependencyObject' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?)
public class Style : System.Windows.DependencyObject {}
                                    ^
Add-Type: Cannot add type. Compilation errors occurred.

PS>

Exception             : 
    Type       : System.IO.FileNotFoundException
    Message    : Could not find file 'C:\Program Files\PowerShell\7\WindowsBase'.
    FileName   : C:\Program Files\PowerShell\7\WindowsBase
    TargetSite : 
        Name          : CreateFile
        DeclaringType : [Microsoft.Win32.SafeHandles.SafeFileHandle]
        MemberType    : Method
        Module        : System.Private.CoreLib.dll
    Source     : System.Private.CoreLib
    HResult    : -2147024894
    StackTrace : 
   at Microsoft.Win32.SafeHandles.SafeFileHandle.CreateFile(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options)
   at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode)
   at System.IO.Strategies.OSFileStreamStrategy..ctor(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode)
   at System.IO.Strategies.FileStreamHelpers.ChooseStrategyCore(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at Roslyn.Utilities.StandardFileSystem.OpenFile(String filePath, FileMode mode, FileAccess access, FileShare share)
   at Roslyn.Utilities.CommonCompilerFileSystemExtensions.OpenFileWithNormalizedException(ICommonCompilerFileSystem fileSystem, String filePath, FileMode fileMode, FileAccess fileAccess, FileShare fileShare)
   at Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(String path, MetadataReferenceProperties properties, DocumentationProvider documentation)
   at Microsoft.PowerShell.Commands.AddTypeCommand.GetPortableExecutableReferences()
   at Microsoft.PowerShell.Commands.AddTypeCommand.CompileToAssembly(List`1 syntaxTrees, CompilationOptions compilationOptions, EmitOptions emitOptions)
   at Microsoft.PowerShell.Commands.AddTypeCommand.SourceCodeProcessing()
   at System.Management.Automation.CommandProcessorBase.Complete()
CategoryInfo          : NotSpecified: (:) [Add-Type], FileNotFoundException
FullyQualifiedErrorId : System.IO.FileNotFoundException,Microsoft.PowerShell.Commands.AddTypeCommand
InvocationInfo        : 
    MyCommand        : Add-Type
    ScriptLineNumber : 1
    OffsetInLine     : 1
    HistoryId        : 2
    Line             : Add-Type "public class Style : System.Windows.DependencyObject {}" -ReferencedAssemblies "$PSHome\WindowsBase"
    Statement        : Add-Type "public class Style : System.Windows.DependencyObject {}" -ReferencedAssemblies "$PSHome\WindowsBase"
    PositionMessage  : At line:1 char:1
                       + Add-Type "public class Style : System.Windows.DependencyObject {}" -R …
                       + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    InvocationName   : Add-Type
    CommandOrigin    : Internal
ScriptStackTrace      : at <ScriptBlock>, <No file>: line 1