[MM-24827] Disable group mentions on e10 or team edition (#14475)

* MM-24827 Disable group mentions when ldap groups not enabled

* Trigger CI

Co-authored-by: mattermod <mattermod@users.noreply.github.com>

app/notification.go

@@ -740,6 +740,10 @@ func (a *App) allowChannelMentions(post *model.Post, numProfiles int) bool {
 
 // allowGroupMentions returns whether or not the group mentions are allowed for the given post.
 func (a *App) allowGroupMentions(post *model.Post) bool {
+	if license := a.License(); license == nil || !*license.Features.LDAPGroups {
+		return false
+	}
+
 	if !a.HasPermissionToChannel(post.UserId, post.ChannelId, model.PERMISSION_USE_GROUP_MENTIONS) {
 		return false
 	}