stream: wait for protocol detection to complete

Wait for protocol detection to complete before removing segments
from the list.

src/stream-tcp-reassemble.c

@@ -3052,6 +3052,10 @@ static int StreamTcpReassembleRaw (TcpReassemblyThreadCtx *ra_ctx,
                 seg, seg->seq, seg->payload_len,
                 (uint32_t)(seg->seq + seg->payload_len));
 
+        if ((p->flow->flags & FLOW_NO_APPLAYER_INSPECTION) ||
+            (stream->flags & STREAMTCP_STREAM_FLAG_APPPROTO_DETECTION_COMPLETED) ||
+            (stream->flags & STREAMTCP_STREAM_FLAG_GAP))
+        {
             /* Remove the segments which are either completely before the
                ra_base_seq or if they are beyond ra_base_seq, but the segment offset
                from which we need to copy in to smsg is beyond the stream->last_ack.
@@ -3073,6 +3077,7 @@ static int StreamTcpReassembleRaw (TcpReassemblyThreadCtx *ra_ctx,
                 seg = next_seg;
                 continue;
             }
+        }
 
         /* if app layer protocol has been detected, then remove all the segments
          * which has been previously processed and reassembled