Fix: parent environments allowed to be deleted
Fix: parent environments allowed to be deleted

supriyantomaftuh/platformsh-cli,OriPekelman/platformsh-cli,pjcdawkins/platformsh-cli,mglaman/platformsh-cli,supriyantomaftuh/platformsh-cli,pjcdawkins/platformsh-cli,OriPekelman/platformsh-cli,pjcdawkins/platformsh-cli,platformsh/platformsh-cli,Fredplais/platformsh-cli,supriyantomaftuh/platformsh-cli,OriPekelman/platformsh-cli,platformsh/platformsh-cli,Fredplais/platformsh-cli,Fredplais/platformsh-cli,mglaman/platformsh-cli,mglaman/platformsh-cli,platformsh/platformsh-cli