Improve error handling in account read and delete functions

This commit eliminates a redundant variable declaration from the
resourceCloudflareAccountRead function and surfaces some additional
information (the account ID) on account deletion failure cases.

Closes #2437

```release-note:enhancement
resource/cloudflare_account: Improve error handling of resourceCloudflareAccountDelete
```

.changelog/2436.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/cloudflare_account: Improve error handling of resourceCloudflareAccountDelete
+```

internal/sdkv2provider/resource_cloudflare_access_keys_configuration.go

@@ -92,6 +92,9 @@ func resourceCloudflareKeysConfigurationImport(ctx context.Context, d *schema.Re
 	d.SetId(accountID)
 	d.Set(consts.AccountIDSchemaKey, accountID)
 
-	resourceCloudflareAccessKeysConfigurationRead(ctx, d, meta)
+	if err := resourceCloudflareAccessKeysConfigurationRead(ctx, d, meta); err != nil {
+		return nil, err
+	}
+
 	return []*schema.ResourceData{d}, nil
 }

internal/sdkv2provider/resource_cloudflare_account.go

@@ -118,7 +118,7 @@ func resourceCloudflareAccountDelete(ctx context.Context, d *schema.ResourceData
 	err := client.DeleteAccount(ctx, accountID)
 
 	if err != nil {
-		return diag.FromErr(fmt.Errorf("error deleting Cloudflare Account: %w", err))
+		return diag.FromErr(fmt.Errorf("error deleting Cloudflare Account %q: %w", accountID, err))
 	}
 
 	return nil