fixes #3955 - added param_true? and snippet_if_exist template methods
(cherry picked from commit 3701a8d1c6d698ea8c57321eed2f87c74bd57728)
fixes #3955 - added param_true? and snippet_if_exist template methods
(cherry picked from commit 3701a8d1c6d698ea8c57321eed2f87c74bd57728)