fix service filters (DataDog#22668)

Co-authored-by: Yao Ding <yaodingyd@users.noreply.github.com>

Author: raphaelgavache

cisco_aci/assets/dashboards/cisco_aci_dashboard.json

@@ -1442,7 +1442,7 @@
                 "response_format": "event_list",
                 "query": {
                   "data_source": "logs_stream",
-                  "query_string": "service:cisco-aci source:cisco-aci",
+                  "query_string": "source:cisco-aci",
                   "indexes": [],
                   "storage": "hot"
                 },

cisco_aci/assets/monitors/critical_fault.json

@@ -7,7 +7,7 @@
 	"definition": {
 		"name": "[Cisco ACI] critical fault received, {{[@cisco_aci.severity].name}} severity,  code {{[@cisco_aci.code].name}}, dn {{[@cisco_aci.dn].name}}",
 		"type": "log alert",
-		"query": "logs(\"service:cisco-aci source:cisco-aci @cisco_aci.severity:critical\").index(\"*\").rollup(\"count\").by(\"@cisco_aci.code,@cisco_aci.dn,@cisco_aci.severity\").last(\"5m\") > 0",
+		"query": "logs(\"source:cisco-aci @cisco_aci.severity:critical\").index(\"*\").rollup(\"count\").by(\"@cisco_aci.code,@cisco_aci.dn,@cisco_aci.severity\").last(\"5m\") > 0",
 		"message": "{{#is_alert}}\n{{[@cisco_aci.severity].name}} severity,  code {{[@cisco_aci.code].name}}  for dn {{[@cisco_aci.dn].name}}\n\n@example@example.com \n{{/is_alert}}",
 		"tags": [],
 		"options": {