device: give the default wired profiles the lowest autoconnect-priority

Later when other connections are created, they will be preferred over the
default one.

https://bugzilla.redhat.com/show_bug.cgi?id=1075148#c15

src/devices/nm-device-ethernet.c

@@ -1477,6 +1477,7 @@ new_default_connection (NMDevice *self)
 	              NM_SETTING_CONNECTION_ID, defname,
 	              NM_SETTING_CONNECTION_TYPE, NM_SETTING_WIRED_SETTING_NAME,
 	              NM_SETTING_CONNECTION_AUTOCONNECT, TRUE,
+	              NM_SETTING_CONNECTION_AUTOCONNECT_PRIORITY, NM_SETTING_CONNECTION_AUTOCONNECT_PRIORITY_MIN,
 	              NM_SETTING_CONNECTION_UUID, uuid,
 	              NM_SETTING_CONNECTION_TIMESTAMP, (guint64) time (NULL),
 	              NULL);