fix invoice error

[magentoabu]

Description (*)

Related Pull Requests

Fixed Issues (if relevant)

1. Fixes Issue with print invoice #33800

Manual testing scenarios (*)

1.Login by user account.
2.Create new order by checkout (order id 11).
3.Go to https://domain.com/sales/order/printInvoice/invoice_id/11/.
4.If the invoice doesn't exist, Error handling should be done for better user experience.

Questions or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)

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[magentoabu]

@magento run all tests

[magentoabu]

@magento run all tests

[magentoabu]

@magento run all tests

[magentoabu]

@magento run all tests