Streamline missing data warnings, review logging

web/frontend/src/systems/NodeOverview.svelte

@@ -14,7 +14,7 @@
  <script>
   import { getContext } from "svelte";
   import { queryStore, gql, getContextClient } from "@urql/svelte";
-  import { Row, Col, Card, Spinner, Badge } from "@sveltestrap/sveltestrap";
+  import { Row, Col, Card, CardHeader, CardBody, Spinner, Badge } from "@sveltestrap/sveltestrap";
   import { checkMetricDisabled } from "../generic/utils.js";
   import MetricPlot from "../generic/plots/MetricPlot.svelte";
 
@@ -189,4 +189,16 @@
       {/each}
     {/key}
   </Row>
+{:else}
+  <Row>
+    <Card color="warning">
+      <CardHeader class="mb-0">
+        <b>Missing Metric</b>
+      </CardHeader>
+      <CardBody>
+        <p>No dataset returned for <b>{selectedMetric}</b>.</p>
+        <p class="mb-1">Metric was not found in metric store for cluster <b>{cluster}</b>.</p>
+      </CardBody>
+    </Card>
+  </Row>
 {/if}

web/frontend/src/systems/nodelist/NodeListRow.svelte

@@ -171,13 +171,18 @@
     {#key metricData}
       <td>
         {#if metricData?.disabled}
-          <Card body class="mx-3" color="info"
-            >Metric disabled for subcluster <code
-              >{metricData?.data?.name ? metricData.data.name : `Metric Index ${i}`}:{nodeData.subCluster}</code
+          <Card body class="mx-2" color="info"
+            >Metric <b>{selectedMetrics[i]}</b> disabled for subcluster <code
+              >{nodeData.subCluster}</code
             ></Card
           >
+        {:else if !metricData?.data}
+          <Card body class="mx-2" color="warning">
+              <p>No dataset returned for <b>{selectedMetrics[i]}</b></p>
+              <p class="mb-1">Metric was not found in metric store for cluster <b>{cluster}</b>.</p>
+          </Card>
         {:else if !metricData?.data?.name}
-          <Card body class="mx-3" color="warning"
+          <Card body class="mx-2" color="warning"
             >Metric without name for subcluster <code
               >{`Metric Index ${i}`}:{nodeData.subCluster}</code
             ></Card