fix: add new entry for another US label (openedx#1244)

Add new entry for for another US label which is United States

Author: ahtesham-quraish

src/register/RegistrationFields/CountryField/CountryField.jsx

@@ -97,7 +97,7 @@ const CountryField = (props) => {
   };
 
   const getCountryList = () => countryList.map((country) => (
-    <FormAutosuggestOption key={country[COUNTRY_CODE_KEY]} id={country[COUNTRY_CODE_KEY]}>
+    <FormAutosuggestOption key={country[COUNTRY_DISPLAY_KEY]} id={country[COUNTRY_CODE_KEY]}>
       {country[COUNTRY_DISPLAY_KEY]}
     </FormAutosuggestOption>
   ));

src/register/components/ConfigurableRegistrationForm.jsx

@@ -33,7 +33,11 @@ const ConfigurableRegistrationForm = (props) => {
     autoSubmitRegistrationForm,
   } = props;
 
-  const countryList = useMemo(() => getCountryList(getLocale()), []);
+  /** The reason for adding the entry 'United States' is that Chrome browser aut-fill the form with the 'Unites
+  States' instead of 'United States of America' which does not exist in country dropdown list and gets the user
+  confused and unable to create an account. So we added the United States entry in the dropdown list.
+ */
+  const countryList = useMemo(() => getCountryList(getLocale()).concat([{ code: 'US', name: 'United States' }]), []);
 
   let showTermsOfServiceAndHonorCode = false;
   let showCountryField = false;