Accessibility Improvement

Covered:
- Keyboard navigation looping within the modal
- Keyboard navigation go back to activated link
- Makes the modal the right role
- Aria attributes set.

i18n/i18n.json

@@ -80,7 +80,7 @@
       "telegram": "Telegram",
       "whatsapp": "WhatsApp",
       "skype": "Skype",
-      "call": "appeler",
+      "call": "Appeler",
       "open": "Ouvrir",
       "_default": " par défaut",
       "_as_default": " par défaut",