Can't Open File Browser after Canceling Upload
1. Click the editor button to open File Browser.
2. In File Browser, click the + to make a new attachment.
3. In the Upload Attachment window, click Cancel.
4. In File Browser, click Cancel.
5. Click the editor button to open File Browser.
Expected behavior: File Browser opens.
Actual behavior: The Upload Attachment window opens.
Fixed in the next release.