feat: financial data check for teamers, improved enforced checks logic

addresses #869at5rtp

src/Model/PersonalDataConfirmationDto.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Model;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+class PersonalDataConfirmationDto
+{
+    #[Assert\IsTrue(message: 'Deine Bestätigung ist erforderlich')]
+    private ?bool $confirmed = false;
+
+    public function getConfirmed(): ?bool
+    {
+        return $this->confirmed;
+    }
+
+    public function setConfirmed(?bool $confirmed): static
+    {
+        $this->confirmed = $confirmed;
+
+        return $this;
+    }
+}