User optimisation and code cleanup

app/Models/Policies/InvoicePolicy.php

@@ -19,14 +19,7 @@ class InvoicePolicy
 	 */
 	public function view(User $uo,Invoice $io): bool
 	{
-		// If this is a service for an account managed by a user.
-		return ($uo->invoices->pluck('id')->search($io->id) !== FALSE)
-
-			// The user is the wholesaler
-			OR $uo->isWholesaler()
-
-			// The user has this as one of their accounts
-			OR $uo->accounts->pluck('id')->contains($io->account_id);
+		return $uo->accounts_all->pluck('id')->contains($io->account_id) || $uo->isWholesaler();
 	}
 
 	/**