add a check to break the sending loop if the current bytes got greater than the total bytes.

We calculate a max bandwidth, but due to framing the packages, i think its possible for the current_bytes to get a few bytes over the actuall planed bandwidth. which prob isn't that bad/unfair

network/protocol/src/prio.rs

@@ -130,6 +130,9 @@ impl PrioManager {
                         continue;
                     }
                     process_stream(sid, stream, per_stream_bytes, &mut cur_bytes);
+                    if cur_bytes >= total_bytes {
+                        break;
+                    }
                 }
             }
         }