Choose button remains active when user unselect a folder

[fpan225]

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Environment:

• Elements version: 15.0.0-beta.4

Desktop (please complete the following information):

• OS: [e.g. Windows 10]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Steps to reproduce the problem:

In Box Platform sign Tab
Go to Template creation page.
Select a file.
Now click on default selected folder and 'Select destination folder' popup will display.
Now Select any folder and then unselect it.
AR: Save button remains in enabled state and no action is getting performed on clicking on it.

What is the expected behavior? (Screenshots can be helpful here)\

Save button should be disabled when folder is unselected

What went wrong? (Screenshots, console logs, or HAR files can be helpful here)

Link to application or sample code:

If relevant, link to file (or attach file here)

Expected behavior
A clear and concise description of what you expected to happen.

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

Additional context
Add any other context about the problem here.