feat: update button in RuxPhoneNumber for full width and improve description in RuxTitle for clarity

Author: Jameson13B

src/ReturnUserExperience/RuxPhoneNumber.tsx

@@ -46,7 +46,9 @@ export const RuxPhoneNumber = ({
           </Link>
           .
         </Text>
-        <Button>{__('Continue')}</Button>
+        <Button fullWidth={true} onClick={() => {}}>
+          {__('Continue')}
+        </Button>
         <Button fullWidth={true} onClick={() => {}} variant="outlined">
           {__('Continue without phone number')}
         </Button>

src/ReturnUserExperience/RuxTitle.tsx

@@ -36,7 +36,7 @@ export const RuxTitle = ({
       case RUXViews.PHONE_NUMBER:
         setTitleAndDescription({
           title: __('Sign in with your phone'),
-          description: __('Sign into MX to securely access your accounts.'),
+          description: __('Log in or sign up with MX to securely access your saved accounts.'),
         })
         break
       case RUXViews.OTP: