$PSScriptRoot is null when loading scripts into Resolve-DynamicFunctionDefinition via dot sourcing

[thayesgh]

General summary of the issue

• $PSScriptRoot is null when loading scripts into Resolve-DynamicFunctionDefinition via dot sourcing

Describe your environment

• Dynamic version : 1.1.1
  PowerShell version : 7.4.0
  OS version : Microsoft Windows NT 10.0.19045.0

Steps to reproduce

    invokeOnImport  = {
            $public = Get-ChildItem -Path "$PSScriptRoot/public" -Filter *.ps1

            foreach ($script in $public) {
                . $script.FullName

                $functionInfo = Get-Command -Name $script.BaseName

                . (Resolve-DynamicFunctionDefinition -FunctionInfo $functionInfo)
            }
        }

Expected Behavior

• $PSScriptRoot is set to the appropriate path of the script/function being called.

Current Behavior

• $PSScriptRoot is null.

Possible Solution? (optional)