fix: disable nfs_clients.yaml template by default in Rest Collector

conf/rest/9.7.0/nfs_clients.yaml

@@ -1,3 +1,5 @@
+# This template is disabled by default because it may slow down data collection
+
 name:             NFSClients
 query:            api/protocols/nfs/connected-clients
 object:           nfs_clients

conf/rest/default.yaml

@@ -21,7 +21,7 @@ objects:
   NetConnections:              netconnections.yaml
 #  NetPort:                     netport.yaml
   NetRoute:                    netroute.yaml
-  NFSClients:                  nfs_clients.yaml
+#  NFSClients:                  nfs_clients.yaml
   Node:                        node.yaml
   NtpServer:                   ntpserver.yaml
   OntapS3:                     ontap_s3.yaml

grafana/dashboards/cmode/nfs_clients.json

@@ -99,7 +99,7 @@
       },
       "id": 29,
       "options": {
-        "content": "You must enable the Rest collector in your harvest.yml config and uncomment the nfs_clients.yaml section in your $HARVEST/conf/rest/default.yaml file. Please see https://github.com/NetApp/harvest/wiki/FAQ#nfs-clients-dashboard for more details",
+        "content": "You must enable the Rest collector in your `harvest.yml` config and uncomment the `nfs_clients.yaml` section in your `$HARVEST/conf/rest/default.yaml` file. Please see [nfs clients dashboard](https://github.com/NetApp/harvest/wiki/FAQ#nfs-clients-dashboard) for more details. Enabling `nfs_clients.yaml` may slow down data collection.",
         "mode": "markdown"
       },
       "pluginVersion": "8.1.8",

integration/test/dashboard_json_test.go

@@ -88,6 +88,7 @@ var excludeCounters = []string{
 	"svm_read_total",
 	"svm_vscan",
 	"svm_write_total",
+	"nfs_clients_",
 }
 
 var flakyCounters = []string{