fix: prevent 500 errors in dashboard endpoints due to missing validation

[mrtshoot]

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[mrtshoot]

Endpoint

• /cake4/rd_cake/dashboard/users-items.json

Issue 1: Undefined Array Access in usersItems()

1. User with limited cloud permissions makes request to /dashboard/users-items.json?token={token}&cloud_id={id}
2. Aa->rights_and_components_on_cloud() returns false or incomplete data
3. Application crashes attempting to access undefined array keys

Issue 2: Missing Schema Check in CountsComponent

1. Use standard database schema where permanent_users table lacks admin_state column
2. Make request to /dashboard/users-items.json?token={token}&cloud_id={id}
3. Database query fails with column not found error