ID 147607 - Draw boundry tool in the GridWarp node scales down the grid size if drawn in viewer downres

Problem summary
Within the GridWarp tool, you can create a specified area to isolate the grid warp to, this is achieved by using the 'Draw Boundary' tool.

One issue that several users have encountered, is that when creating a draw boundary box within proxy mode,the bounding box will retain the dimensions of the original pixel resolution.

Customer reported version
nuke.11.1v2

Customer reported platform
windows10

Steps to reproduce

1) Create a new Nuke script

2) Create a 'GridWarp' node in the Node Graph

3) Turn on proxy mode (via pressing 'ctrl+p' in the viewer), you will see this activated by the change in the resolution and the activation of the following proxy icon in the viewer toolbar to red. ​

4) Draw a grid warp shape

Result: The grid warp that has been drawn will snap to the scale of the original resolution within the proxy resolution.

Workaround
Draw the grid warp using the 'Draw Boundary' tool within the original pixel resolution before turning the proxy mode on.

Reproduced by support

This bug has been reproduced in:

Nuke 11.1v3 - Windows 7