fix: using a base path breaks file preview

[varunsharma27]

Description

• Please include a summary of the changes and the related issue.
• Fixes [BUG] Using a base path breaks File preview #563

Type of change

• New features (non-breaking change).
• Bug fix (non-breaking change).
• Breaking change (fix or feature that would cause existing functionality not to work as expected).

Checklist

• I have performed a self-review of my code.
• I have added thorough tests if it is a core feature.
• There is a reference to the original bug report and related work.
• I have commented on my code, particularly in hard-to-understand areas.
• The feature is well documented.

[taprosoft]

Close in favor of #575