Fix translation key casing for 'First name' label

Updated the translation key from 'firstName' to 'First name' in the details view template to ensure consistency with the expected translation format. This improves clarity and alignment with other labels.

src/Bundle/ChillThirdPartyBundle/Resources/views/ThirdPartyDuplicate/_details.html.twig

@@ -3,7 +3,7 @@
     <ul>
         <li><b>{{ 'name'|trans }}</b>:
             {{ thirdparty.name }}</li>
-        <li><b>{{ 'firstName'|trans }}</b>:
+        <li><b>{{ 'First name'|trans }}</b>:
             {% if thirdparty.firstname %}{{ thirdparty.firstname }}{% endif %}</li>
         <li><b>{{ 'thirdparty.Civility'|trans }}</b>:
             {% if thirdparty.getCivility %}{{ thirdparty.getCivility.name|localize_translatable_string }}{% endif %}</li>