connect-src: allow https://openvibe.chat for the navbar's Messages count (#201)

ddiff --git a/server/app.js b/server/app.js
iindex aaf429c..b02b9d8 100644
---- a/server/app.js
++++ b/server/app.js
@@@ -140,7 +140,8 @@ async function createApp(opts = {}) {
                  styleSrc: ["'self'", "'unsafe-inline'", 'https://openvibe.network', 'https://fonts.googleapis.com', 'https://cdnjs.cloudflare.com'],
                  fontSrc: ["'self'", 'data:', 'https://fonts.gstatic.com', 'https://cdnjs.cloudflare.com'],
                  imgSrc: ["'self'", 'data:', 'https://openvibe.network', 'https://openvibe.media'],
--                connectSrc: ["'self'", 'https://openvibe.network', 'https://cloudflareinsights.com', 'https://openvibe.events'],
++                // The navbar's Messages count asks Chat (openvibe-shared 4.130.0).
++                connectSrc: ["'self'", 'https://openvibe.chat', 'https://openvibe.network', 'https://cloudflareinsights.com', 'https://openvibe.events'],
                  frameSrc: ["'self'", 'https://openvibe.network'],
                  frameAncestors: ["'none'"],
                  objectSrc: ["'none'"],