[BUG] save project, open project not working

[JR-Bae]

Describe the bug

A clear and concise description of what the bug is:
When using the FUXA editor, the "Save Project" and "Open Project" features do not work.

To Reproduce
Steps to reproduce the behavior:

Deploy the application on AWS EC2.
Access the application through a specific port (10380).
Open the FUXA editor.
Try to save a project or open an existing project.
Expected behavior
The "Save Project" button should save the current project, and the "Open Project" button should allow loading an existing project without any issues.

Screenshots
If applicable, add screenshots to help explain your problem.

Environment

FUXA version: 1.2.1
Node.js version: 18.20.4
npm version: 10.7.0
Platform/OS: Ubuntu (AWS EC2)