Light Table unable to open recreated folder

[kevgathuku]

Steps to Reproduce

1. Open Light Table
2. Click on the File menu item, then Open folder
3. Choose a folder. It is now displayed in your workspace
4. Right click on the folder in the workspace and select Delete folder
5. On the confirmation prompt that appears, select Delete folder
6. Re-create the folder that you just deleted in the same location where the previous folder was e.g. in the terminal or in a Finder window with the same name as the deleted folder
7. In Light Table, Click on the File menu item, then open folder
8. Select the newly created folder

Environment

Info	Details
Light Table version	0.8.1
Operating system	MacOS Sierra

Error Messages

This folder is already in your workspace.

[sbauer322]

I can reproduce this on Ubuntu with LT 0.8.1 as well. Error is originating from the ::add-folder! behavior in src/lt/objs/workspace.cljs.

Thank you for the thorough bug report, @kevgathuku!