Upload from your computer does not save the current project #4120
Description
Expected Behavior
If you have made changes to your project and you go to File>upload from your computer it should save your current changes and then make a new project with the data from the uploaded project
Actual Behavior
Currently it does not save the old project before uploading the new one.
Steps to Reproduce
Create a new project
Add a backdrop
Note: The upper right corner should say "Save Now"
Select File>Upload from your computer
Choose a project to upload from your computer
Click "My Stuff" folder
Open the first project
Note: the added backdrop is not present in the project.
Operating System and Browser
Mac Chrome