message: Fix CSP for Safari
  It seems Safari expands the HTML imports before applying the CSP.
  Some links were breaking because of that.
diff: <script src="server_manager/web_app/main.js"></script>
  <!-- TODO: Add Outline servers to connect-src on-demand (in addition to the DigitalOcean API). -->
  - <meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline' outline:; connect-src https: 'self'; frame-src https://s3.amazonaws.com/outline-vpn/ ss:">
  + <meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline' outline: data:; connect-src https: 'self'; frame-src https://s3.amazonaws.com/outline-vpn/ ss:">
  <style>
  body {
  