Fix styling issue for order items table

[dmytro-ch]

Fix the issue with repetitive "tbody" tag for order items table.

Description (*)

There is an issue with repetitive "tbody" tag for order items table. As result, the incorrect styles are applied for the table.
The "striped table" styles, defined in app/design/frontend/Magento/luma/Magento_Customer/web/css/source/_module.less:179, expected to be used for Luma theme.

Fixed Issues (if relevant)

N/A

Manual testing scenarios (*)

1. Check the order/return items tables for both guest and customer.

Expected result

1. There is no repetitive "tbody" for order items table.
2. As result, the "striped table" styles should be applied.

This is the expected view of the table, defined in app/design/frontend/Magento/luma/Magento_Customer/web/css/source/_module.less:179.

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)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @dmytro-ch. Thank you for your contribution
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[rogyar]

@magento-engcom-team give me 2.3-develop instance

[magento-engcom-team]

Hi @rogyar. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @rogyar, here is your Magento instance.
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[rogyar]

@magento-engcom-team give me test instance

[magento-engcom-team]

Hi @rogyar. Thank you for your request. I'm working on Magento instance for you

[magento-engcom-team]

Hi @rogyar, here is your new Magento instance.
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[magento-engcom-team]

Hi @dmytro-ch. Thank you for your contribution.
We will aim to release these changes as part of 2.3.1.
Please check the release notes for final confirmation.