Fix TIFF file reading and saving in file browser

[dan0v]

Description

Currently, TIFF files cannot be opened because the file dialogue filter is misconfigured. This PR fixes the filter option for TIFF files.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

[Ruben2776]

Thank you very much