Add missing characters to random string function, so we use the full upper+lowercase alphabet

src/app/spreed-webrtc-server/random.go

@@ -28,7 +28,7 @@ import (
 )
 
 const (
-	dict = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVW0123456789"
+	dict = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
 )
 
 func NewRandomString(length int) string {