* Implement disabling buttons (like Web had the ability).
* Use consistent colors (e.g. for the buttons) like the rest of the app
  (e.g. WelcomePage).
* Enable AbstractDialog to await a thenable from onSubmit and Dialog to
  render a LoadingIndicator in place of the OK/submit button text.

* fix(react/participant): store display name in redux

* feat(remotecontrol): Add option to display the authorization dialog in meet

* feat(remotecontrol): Enable ESLint and Flow

Dialog does not currently support displaying dynamic strings
for titles, only static strings listed for translation. Accept
a new prop that explicitly states it is for setting the title
and have the web dialog prefer it over the titleKey.