Update how custom svg dimesions are applied

[gabriel-glo]

Description of the Change

• Update how custom svg dimesions are applied for get_image_tag and wp_get_attachment_image functions
• Separate the logic for defining custom dimensions in a set_svg_dimension function

Closes #6

How to test the Change

In any template output the image markup either by using get_image_tag or wp_get_attachment_image functions. Set the custom image size to either one of the registered image size names or a custom one via array [$width, $height]. Output should match the set dimensions.

Changelog Entry

Added - added set_svg_dimension function in order to reduce repetition Changed - changed how image dimensions were passed in get_image_tag_override and one_pixel_fix methods

Credits

Props @

Checklist:

• [x] I agree to follow this project's Code of Conduct.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my change.
• [x] All new and existing tests pass.

[github-actions[bot]]

@gabriel-glo thanks for the PR! Could you please fill out the PR template with description, changelog, and credits information so that we can properly review and merge this?