fix: update Zendesk integration icon name

- Changed icon reference from 'zendeskSolid' to 'zendesk' to match correct icon naming convention
- Ensures consistent icon display in the UI for Zendesk integration

packages/noco-integrations/packages/zendesk-auth/src/manifest.ts

@@ -2,7 +2,7 @@ import type { IntegrationManifest } from '@noco-integrations/core';
 
 export const manifest: IntegrationManifest = {
   title: 'Zendesk',
-  icon: 'zendeskSolid',
+  icon: 'zendesk',
   description: 'Zendesk authentication integration for NocoDB',
   version: '0.1.0',
   author: 'NocoDB',