Create legacy editor screen and add ProcActionsFrame there.
Try to use procActionsFrame.initializer().standard()
Expected behavior
Standard actions initialized
Actual behavior
com.haulmont.bpm.exception.BpmException: ProcActionsFrame.standard() must be used inside Window.Editor only
at com.haulmont.bpm.gui.procactions.ProcActionsFrame$Initializer.standard(ProcActionsFrame.java:445)
...
Environment
Description of the bug
procActionsFrame.initializer().standard()
Standard actions initialized