Fix Syntax - Handler Registeration .md

[ehsan-soleimanian]

There is no handle function in ExceptionHandlerHelper and we have to use render function instead, On the other hands the Parameters is not passed in the right order.

This pull request...

• Closes #TICKET-NUMBER

Checklist:

• I have opened the issue ticket that this pull request is part of.
• This pull request title contains (#TICKET-NUMBER) for reference.
• This pull request description contains Closes #{$ISSUE_NO} that closes ticket.
• This pull request is all my own work - I have not plagiarized.
• This contribution is licensed under MIT or compatible license.
• All code is covered in unit tests and all tests pass.
• I have updated the docs to cover my changes (if applicable).
• All function parameters and return values are annotated with PHP type hints.
• All functions have PHPDocs blocks.

[MarcinOrlowski]

Thanks for the contribution!