Fix/invalid file name handling

[Pragadesh-45]

fixes: #3266

Description

This PR implements the logic for validating filenames using a new utility function called isValidFilename to handle cases where filenames contain invalid characters \ / : * ? " < > | or end with a space ( ) or a period (.). This function has been added to the rename-item, thereby fixing issue #3266 , and to the new-request to improve error handling.

Contribution Checklist:

• The pull request only addresses one issue or adds one feature.
• The pull request does not introduce any breaking changes
• I have added screenshots or gifs to help explain the change if applicable.
• I have read the contribution guidelines.
• Create an issue and link to the pull request.

Before:

20241009-0655-37.1766450.mp4

After:

20241009-0658-03.9070602.mp4