[Backport] 13982 customer login block sets the title for the page when rendered

[amol2jcommerce]

Original Pull Request

#20583

Description

The main Customer Login Block, Magento\Customer\Block\Form\Loginsets up the page title.
If you use this block on any page, it rewrites the page title to "Customer Login".

Fixed Issues

1. Customer Login Block sets the title for the page when rendered #13982: Customer Login Block sets the title for the page when rendered

Manual testing scenarios

1. Go to Magento login page. The title of the page should be equal to "Customer Login"
2. Insert Magento/Customer/Block/Login Block into any page
3. The title of that page not be overridden by string "Customer Login"

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 @amol2jcommerce. Thank you for your contribution
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[magento-engcom-team]

Hi @rogyar, thank you for the review.
ENGCOM-4367 has been created to process this Pull Request

[VasylShvorak]

✔️ QA passed

[ghost]

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