connectionmanager: do not cancel all waiting channel if first is declined

backport of 22d5417da3023095695d3b9655403b5632f528db in jami-daemon

Change-Id: I865617ff71d1a5fc96fd075b23cd8f85dc7e6599
diff --git a/src/connectionmanager.cpp b/src/connectionmanager.cpp
index 03e4c65..17206d3 100644
--- a/src/connectionmanager.cpp
+++ b/src/connectionmanager.cpp
@@ -642,7 +642,7 @@
                 const auto& pendings = pendingsIt->second;
                 while (pendings.connecting.find(vid) != pendings.connecting.end()
                        && pendings.waiting.find(vid) != pendings.waiting.end()) {
-                    vid = ValueIdDist(1, JAMI_ID_MAX_VAL)(sthis->account.rand);
+                    vid = ValueIdDist(1, ID_MAX_VAL)(sthis->rand);
                 }
             }
             // Check if already connecting