-secmgr and SECMGR=true env property doesn't work for domain.ps1 script

-secmgr and SECMGR=true env property doesn't work for domain.ps1 script

Steps to reproduce:

1. start powershell
2. .\domain.bat "-secmgr"
3. WMIC PROCESS get Commandline | findstr java
4. check that "-secmgr" property is present in PC or HC
5. exit domain.bat
6. .\domain.ps1 "-secmgr"
7. WMIC PROCESS get Commandline | findstr java
8. check that "-secmgr" property is not present in PC or HC

Secmgr can't be enabled also by $env:SECMGR = "true"

This issue is not about java-opts, but it is related with WFCORE-3830