script: add function to match nginx configurations

this should fix a common issue where mainsail/fluidd was installed with a more up2date nginx config which didn't match with a previously configured upstreams.conf.
this should also cover cases where the upstreams.conf is more up2date than the corresponding interface configs.

scripts/update.sh

@@ -266,6 +266,7 @@ update_mainsail(){
   bb4u "mainsail"
   status_msg "Updating Mainsail ..."
   mainsail_setup
+  match_nginx_configs
   symlink_webui_nginx_log "mainsail"
 }
 
@@ -273,6 +274,7 @@ update_fluidd(){
   bb4u "fluidd"
   status_msg "Updating Fluidd ..."
   fluidd_setup
+  match_nginx_configs
   symlink_webui_nginx_log "fluidd"
 }