aggregation: DnD will insert extra text into pipeline

[achtan]

Screenshots https://capture.dropbox.com/rtphG546zgajWuCe

Desktop (please complete the following information):

• Mingo version: 1.12.2
• OS: mac

[tothradoslav]

• this has something to do with the sortable / draggable element
• so far, none of the solutions I tried worked

[tothradoslav]

Solution: hiding the inside of the element being dragged

[tothradoslav]

This has been resolved in the latest RC release, please check it out and let us know if the solution works as expected:

https://github.com/mingo-app/mingo/releases/tag/v1.13.0-rc1

[tothradoslav]

https://github.com/mingo-app/mingo/releases/tag/v1.13.1