kubernetes_node_taint: fix warning when node is missing (#2402)

.changelog/2402.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+`resource/kubernetes_node_taint`: Fix the error check for nonexistant nodes so that terraform does not fail if there is a taint in the state file for a node that has been deleted.
+```

kubernetes/resource_kubernetes_node_taint.go

@@ -100,6 +100,12 @@ func resourceKubernetesNodeTaintRead(ctx context.Context, d *schema.ResourceData
 	nodeName := meta.Name
 
 	conn, err := m.(KubeClientsets).MainClientset()
+	if err != nil {
+		return diag.FromErr(err)
+	}
+	nodeApi := conn.CoreV1().Nodes()
+
+	node, err := nodeApi.Get(ctx, nodeName, metav1.GetOptions{})
 	if err != nil {
 		if statusErr, ok := err.(*errors.StatusError); ok && errors.IsNotFound(statusErr) {
 			// The node is gone so the resource should be deleted.
@@ -111,12 +117,6 @@ func resourceKubernetesNodeTaintRead(ctx context.Context, d *schema.ResourceData
 		}
 		return diag.FromErr(err)
 	}
-	nodeApi := conn.CoreV1().Nodes()
-
-	node, err := nodeApi.Get(ctx, nodeName, metav1.GetOptions{})
-	if err != nil {
-		return diag.FromErr(err)
-	}
 	nodeTaints := node.Spec.Taints
 	if len(nodeTaints) == 0 {
 		d.SetId("")