Zabbix

A......... [ZBX-23284] prevented deletion of the discovered group as a result of renaming its group prototype

* commit 'db0169ade0ec847c2bbf9f741752ec1d5457524c':
  A......... [ZBX-23284] simplified code; improved error message
  A......... [ZBX-23284] fixed code style; fixed typo in error message
  A......... [ZBX-23284] prevented deletion of the discovered group as a result of renaming its group prototype