fix: try to pair before summoning

Relations declared as auto summon was not trying to pair with an
existing service before.

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

bin/compose-core

@@ -2409,7 +2409,7 @@ get_all_relations () {
 
             auto=$(echo "$relation_def" | shyaml get-value auto pair 2>/dev/null)
             case "$auto" in
-                "pair")
+                "pair"|"summon")
                     service_list=()
                     array_read-0 service_list < <(array_keys_to_stdin services)
                     providers=()
@@ -2436,12 +2436,11 @@ get_all_relations () {
                              "(> 1 provider)."
                         continue
                     else
-                        :  ## Do nothing
+                        if [ "$auto" == "summon" ]; then
+                            summon+=("$service" "$relation_name" "$relation_def")
+                        fi
                     fi
                     ;;
-                "summon")
-                    summon+=("$service" "$relation_name" "$relation_def")
-                    ;;
                 ""|null|disable|disabled)
                     :
                     ;;