fix: [compose-core] don't ignore relation constraint if providers are more than one

bin/compose-core

@@ -2693,16 +2693,14 @@ get_all_relations () {
                         services[$ts]=1
                         changed=1
                         continue
-                    elif [ "${#providers[@]}" -gt 1 ]; then
+                    fi
+                    if [ "${#providers[@]}" -gt 1 ]; then
                         msg=""
                         warn "No auto-pairing ${DARKYELLOW}$service${NORMAL}" \
                              "--${DARKBLUE}$relation_name${NORMAL}--> ($DARKYELLOW""${providers[@]}""$NORMAL)"\
                              "(> 1 provider)."
-                        continue
-                    else
-                        if [ "$auto" == "summon" ]; then
-                            summon+=("$service" "$relation_name" "$relation_def")
-                        fi
+                    elif [ "$auto" == "summon" ]; then  ## no provider
+                        summon+=("$service" "$relation_name" "$relation_def")
                     fi
                     ;;
                 null|disable|disabled)