Rewrite ISIS Adjacency discovery/polling (#13155)

* Rewrite ISIS Adjacency discovery/polling
hopefully much faster now, do most work in discovery and just check up/down in poller.

* unused variable

* Implement option for OS override

* fix an incorrect typehint

* test data

* work around stupid migration name

* update schema

* better handling for the on-demand discovery

* more detailed phpdoc

* fix when adjacency is not found

* don't clear out data when adjacency goes away

* Adjust nullable fields

* fixes

* fix class name

* correct migration

* fix bug causing adjacency data to always be blank

* port popups for port links

* isisISAdjState does not need to be nullable

* remove extra space

* default off

* If port is missing return $text

* update schema

* Cleanup old components

* correc copy paste error

app/Models/IsisAdjacency.php

@@ -25,8 +25,9 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use LibreNMS\Interfaces\Models\Keyable;
 
-class IsisAdjacency extends PortRelatedModel
+class IsisAdjacency extends PortRelatedModel implements Keyable
 {
     use HasFactory;
 
@@ -37,6 +38,7 @@ class IsisAdjacency extends PortRelatedModel
         'device_id',
         'port_id',
         'ifIndex',
+        'isisCircAdminState',
         'isisISAdjState',
         'isisISAdjNeighSysType',
         'isisISAdjNeighSysID',
@@ -53,4 +55,9 @@ class IsisAdjacency extends PortRelatedModel
     {
         return $this->belongsTo(\App\Models\Port::class, 'device_id');
     }
+
+    public function getCompositeKey()
+    {
+        return $this->ifIndex;
+    }
 }