ID 313810 - When dragging a swatch from the colour picker, the previewed colour always displays in ​​Linear

Problem summary
When dragging a swatch from the colour picker, the previewed colour is always set to ​​Linear even when your picker colorspace is not.

Customer reported version
3.3v1
Customer reported platform
n/a
Steps to reproduce

1) Open Mari

2) Select a mid value colour in your Colors palette or Color Picker

3) Attempt to drag the swatch from the Foreground preview:

Note: Observe that the colour previews in Linear so the previews do not appear correct. This is not the case if you drag the swatch from the Shelf palette.

Workaround
Unknown. 

Reproduced by support
Mari 3.3v1 - Windows 7, CentOS6, OSX 10.12.4
Mari 3.2v1
Mari 3.1v3
Mari 3.1v1
Mari 3.0v4
Mari 3.0v1 - Windows 7, CentOS6, OSX 10.12.4

Earliest version tested
Last working version: 2.6v5 (no regression - colorspace not implemented)

Expected behaviour
The dragged colour swatch should match that as shown in the color picker and the shelf regardless of colorspace

Actual behaviour
The dragged colour swatch always displays in Linear colorspace