if disableClusterSelection is set, display info in cluster filter

- instead of undocumented unresponsive cluster name select

web/frontend/src/generic/filters/Cluster.svelte

@@ -43,6 +43,10 @@
   <ModalBody>
     {#if $initialized}
       <h4>Cluster</h4>
+      {#if disableClusterSelection}
+        <Button color="info" class="w-100 mb-2" disabled><b>Info: Cluster Selection Disabled in This View</b></Button>
+        <Button outline color="primary" class="w-100 mb-2" disabled><b>Selected Cluster: {cluster}</b></Button>
+      {:else}
         <ListGroup>
           <ListGroupItem
             disabled={disableClusterSelection}
@@ -64,6 +68,7 @@
           {/each}
         </ListGroup>
       {/if}
+    {/if}
     {#if $initialized && pendingCluster != null}
       <br />
       <h4>Partiton</h4>