Page heading null issue fixed

[magentoabu]

Description (*)

Issue Fix - CMS Page throwing error if no page title present

Fixed Issues (if relevant)

1. Fixes Magento_Theme title.phtml template invalid for PHP 8.2 #39092

Manual testing scenarios (*)

1. Create New CMS Page without Title
2. Verify if the page is loading or not.

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)

[m2-assistant]

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[magentoabu]

@magento run all tests

[magento-automated-testing]

Failed to run the builds. Please try to re-run them later.

[magentoabu]

@magento run Static Tests,Integration Tests,Functional Tests EE,Functional Tests CE,Functional Tests B2B