update enum types to be capitalized

ts/components/session/SessionRegistrationView.tsx

@@ -42,14 +42,14 @@ export class SessionRegistrationView extends React.Component<Props> {
     return (
       <div className="session-content">
         <div className="session-content-accent">
-          <AccentText showSubtitle={showSubtitle||true} />
+          <AccentText showSubtitle={showSubtitle || true} />
         </div>
         <div className="session-content-registration">
           <SessionButton
             onClick={() => {
               alert('clicked');
             }}
-            buttonType={SessionButtonTypes.green}
+            buttonType={SessionButtonTypes.Green}
             text="Generate Session ID"
           />
         </div>