MM-22785 audit server CLI (#14144)

Add auditing to server CLI.

Also:
- simplify auditing in API layer
- reduce number of AddMeta calls
- have models serialize themselves
- more consistent field naming

api4/ldap.go

@@ -149,8 +149,7 @@ func linkLdapGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 		c.Err = err
 		return
 	}
-	auditRec.AddMeta("ldap_group_id", ldapGroup.Id)
-	auditRec.AddMeta("ldap_group_desc", ldapGroup.Description)
+	auditRec.AddMeta("ldap_group", ldapGroup)
 
 	if ldapGroup == nil {
 		c.Err = model.NewAppError("Api4.linkLdapGroup", "api.ldap_group.not_found", nil, "", http.StatusNotFound)
@@ -163,8 +162,7 @@ func linkLdapGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	if group != nil {
-		auditRec.AddMeta("group_id", group.Id)
-		auditRec.AddMeta("group_name", group.Name)
+		auditRec.AddMeta("group", group)
 	}
 
 	var status int
@@ -177,7 +175,6 @@ func linkLdapGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 	} else {
 		displayName = ldapGroup.DisplayName
 	}
-	auditRec.AddMeta("ldap_group_display", displayName)
 
 	// Group has been previously linked
 	if group != nil {
@@ -251,8 +248,7 @@ func unlinkLdapGroup(c *Context, w http.ResponseWriter, r *http.Request) {
 		c.Err = err
 		return
 	}
-	auditRec.AddMeta("group_id", group.Id)
-	auditRec.AddMeta("group_name", group.Name)
+	auditRec.AddMeta("group", group)
 
 	if group.DeleteAt == 0 {
 		_, err = c.App.DeleteGroup(group.Id)