Fix incorrect adlist query when an adlist is blocked during gravity

hosts-file.net was hard-coded as the domain to check instead of the
actual domain.

Signed-off-by: Mcat12 <newtoncat12@yahoo.com>

gravity.sh

@@ -268,7 +268,7 @@ gravity_DownloadBlocklistFromUrl() {
       port=443;
     else port=80
     fi
-    bad_list=$(pihole -q -adlist hosts-file.net | head -n1 | awk -F 'Match found in ' '{print $2}')
+    bad_list=$(pihole -q -adlist "${domain}" | head -n1 | awk -F 'Match found in ' '{print $2}')
     echo -e "${OVER}  ${CROSS} ${str} ${domain} is blocked by ${bad_list%:}. Using DNS on ${PIHOLE_DNS_1} to download ${url}";
     echo -ne "  ${INFO} ${str} Pending..."
     cmd_ext="--resolve $domain:$port:$ip $cmd_ext"