chore: rollback to default value

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

lib/Activity/Settings/LibresignActivitySettings.php

@@ -54,13 +54,13 @@ public function canChangeMail() {
 	 */
 	#[\Override]
 	public function isDefaultEnabledMail() {
-		return false;
+		return true;
 	}
 	/**
 	 * {@inheritdoc}
 	 */
 	#[\Override]
 	public function isDefaultEnabledNotification(): bool {
-		return false;
+		return true;
 	}
 }