Construct 2 sprite editor crash

Link to .capx file (required!):

dl.dropboxusercontent.com/u/82053952/Test.capx

Steps to reproduce:

1. Open a new project.

2. Add a sprite.

3. Press set collision polygon button.

4. Press Ctrl + V (Paste) [I did it accidently) Observed result:

Construct 2 crashes.

Expected result:

Do nothing.

Browsers affected:

Editor Only.

Operating system & service pack:

Windows 8 Pro x64

Construct 2 version:

Tested on R145 and R146.

I tried again after restarting my computer and Construct 2 never crashed.

I think it was releated to Clipboard object (don't remember what i copied to).

Can't reproduce. Let me know if you can find some steps that reliably reproduce the problem.