Merge branch 'from/develop/tusooa/fix-shout-local' into 'develop'

Fix phoenix sockets in dev mode

See merge request pleroma/pleroma-fe!1506

config/index.js

@@ -52,7 +52,10 @@ module.exports = {
         target,
         changeOrigin: true,
         cookieDomainRewrite: 'localhost',
-        ws: true
+        ws: true,
+        headers: {
+          'Origin': target
+        }
       },
       '/oauth/revoke': {
         target,