Use null instead of empty string
[MAILPOET-4514]
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@@ -43,7 +43,7 @@ class BuiltInCaptchaValidator implements CaptchaValidator {
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}
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public function validate(array $data): bool {
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$isBuiltinCaptchaRequired = $this->isRequired(isset($data['email']) ? $data['email'] : '');
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$isBuiltinCaptchaRequired = $this->isRequired(isset($data['email']) ? $data['email'] : null);
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if (!$isBuiltinCaptchaRequired) {
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return true;
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}
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