feat: Show contact created date in contact panel (#6364)

* feat: Show contact created date in contact panel

* Add created at in Contacts table

* Moves created at info as tooltip

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Co-authored-by: Nithin David <1277421+nithindavid@users.noreply.github.com>

app/javascript/dashboard/i18n/locale/en/contact.json

@@ -15,6 +15,7 @@
     "INITIATED_FROM": "Initiated from",
     "INITIATED_AT": "Initiated at",
     "IP_ADDRESS": "IP Address",
+    "CREATED_AT_LABEL": "Created",
     "NEW_MESSAGE": "New message",
     "CONVERSATIONS": {
       "NO_RECORDS_FOUND": "There are no previous conversations associated to this contact.",
@@ -206,6 +207,7 @@
         "PHONE_NUMBER": "Phone Number",
         "CONVERSATIONS": "Conversations",
         "LAST_ACTIVITY": "Last Activity",
+        "CREATED_AT": "Created At",
         "COUNTRY": "Country",
         "CITY": "City",
         "SOCIAL_PROFILES": "Social Profiles",