REORG: mux-quic: reorganize flow-control fields

<qcc.cl_bidi_r> is used to implement STREAM ID flow control enforcement.
Move it with all fields related to this operation and separated from MAX
STREAM DATA calcul.
diff --git a/include/haproxy/mux_quic-t.h b/include/haproxy/mux_quic-t.h
index 606f4aa..1772a38 100644
--- a/include/haproxy/mux_quic-t.h
+++ b/include/haproxy/mux_quic-t.h
@@ -54,9 +54,10 @@
 		struct list frms; /* prepared frames related to flow-control  */
 		uint64_t ms_bidi_init; /* max initial sub-ID of bidi stream allowed for the peer */
 		uint64_t ms_bidi; /* max sub-ID of bidi stream allowed for the peer */
+		uint64_t cl_bidi_r; /* total count of closed remote bidi stream since last MAX_STREAMS emission */
+
 		uint64_t msd_bidi_l; /* initial max-stream-data on local streams */
 		uint64_t msd_bidi_r; /* initial max-stream-data on remote streams */
-		uint64_t cl_bidi_r; /* total count of closed remote bidi stream since last MAX_STREAMS emission */
 
 		uint64_t md; /* current max-data allowed for the peer */
 		uint64_t md_init; /* initial max-data */