Bug Report: PDF Drag and Drop Issue

Issue Summary:
Users are encountering difficulties with the drag and drop functionality for PDF files within the Athena AI platform. Specifically, when attempting to drag and drop a PDF into the Create Page, the file is either not recognized or the upload process fails to initiate.

Steps to Reproduce:

Log in to the Athena AI platform as an educator or administrator.
Navigate to the "Create Page" section designed for designing learning experiences.
Attempt to drag and drop a PDF file from your local device into the designated upload area on the Create Page.
Observe the behavior of the platform upon dropping the file.

Expected Behavior:
The PDF file should be seamlessly recognized and uploaded to the platform, allowing users to proceed with integrating the document into their learning materials.

Actual Behavior:
The platform fails to recognize the PDF file, or the upload process does not begin, preventing users from utilizing their resources effectively.

Impact:
This issue disrupts the workflow of educators and administrators by hindering the efficient management and integration of educational materials. It affects user satisfaction and can lead to decreased engagement with the platform, ultimately impacting the goal of enhancing educational outcomes through seamless, AI-driven experiences.

Additional Notes:

The issue appears to be isolated to PDF files, as other file types (e.g., images, Word documents) do not seem to face the same problem.
Users have reported this issue across different browsers and operating systems, suggesting that it may be a platform-specific bug.