[Issue] fix: customer account create page does not work

[m2-assistant]

This issue is automatically created based on existing pull request: #35442: fix: customer account create page does not work

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Description (*)

Fixes this exception which made the create account page unusable:

Exception: Deprecated Functionality: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/vendor/magento/module-customer/Block/Widget/Name.php on line 110 in /var/www/vendor/magento/framework/App/ErrorHandler.php:61

Reproduction Steps

This is very easily reproducible by:

• Setting up a clean Magento 2.4.4
• In the backoffice, going to Stores > Configuration > Customers > Customer Configuration > Name and Address Options
• Configuring the following 2 fields:
• Show Prefix: Optional
• Prefix Dropdown Options: Mr;Mrs
• In frontend, going to the create account page
• You immediately get the error as mentioned in the opening post.

Related Pull Requests

Fixed Issues (if relevant)

none.

Manual testing scenarios (*)

1. Open the create account page
2. It should work properly

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]

Hi @engcom-Dash. Thank you for working on this issue.
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[alam-ejaz]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @alam-ejaz. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @alam-ejaz, here is your Magento Instance: https://3a8992d3f03adebb185f9f8e90b7c3ee.instances.magento-community.engineering
Admin access: https://3a8992d3f03adebb185f9f8e90b7c3ee.instances.magento-community.engineering/admin_01a3
Login: 42ac34c7
Password: 7a8a729ad55b

[engcom-Dash]

@magento give me 2.4-develop instance

[magento-deployment-service]

Hi @engcom-Dash. Thank you for your request. I'm working on Magento instance for you.

[magento-deployment-service]

Hi @engcom-Dash, here is your Magento Instance: https://3a8992d3f03adebb185f9f8e90b7c3ee.instances.magento-community.engineering
Admin access: https://3a8992d3f03adebb185f9f8e90b7c3ee.instances.magento-community.engineering/admin_31da
Login: 390e2584
Password: 5d3fd41eb211