MM-52818 - create config setting to enable/disable playbooks product (#23508)

* create config setting to enable/disable playbooks product

* fix to config name

* fix typo

* revert changes to package-lock.json

* update name of test

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/product.go

@@ -88,6 +88,10 @@ func (s *Server) shouldStart(product string) bool {
 			s.Log().Warn("Skipping Playbooks start: disabled via env var")
 			return false
 		}
+		if !*s.Config().ProductSettings.EnablePlaybooks {
+			s.Log().Warn("Skipping Playbooks start: disabled via configuration")
+			return false
+		}
 	}
 
 	return true