chore: Add business email validation on signup (#6037)

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

@@ -3,10 +3,10 @@
     "TRY_WOOT": "Register an account",
     "TITLE": "Register",
     "TERMS_ACCEPT": "By signing up, you agree to our <a href=\"https://www.chatwoot.com/terms\">T & C</a> and <a href=\"https://www.chatwoot.com/privacy-policy\">Privacy policy</a>",
-    "ACCOUNT_NAME": {
-      "LABEL": "Account name",
-      "PLACEHOLDER": "Enter an account name. eg: Wayne Enterprises",
-      "ERROR": "Account name is too short"
+    "COMPANY_NAME": {
+      "LABEL": "Company name",
+      "PLACEHOLDER": "Enter your company name. eg: Wayne Enterprises",
+      "ERROR": "Company name is too short"
     },
     "FULL_NAME": {
       "LABEL": "Full name",
@@ -16,7 +16,7 @@
     "EMAIL": {
       "LABEL": "Work email",
       "PLACEHOLDER": "Enter your work email address. eg: bruce@wayne.enterprises",
-      "ERROR": "Email address is invalid"
+      "ERROR": "Please enter a valid work email address"
     },
     "PASSWORD": {
       "LABEL": "Password",