ID 436596 - The Viewer displays the incorrect resolution when using a proxy file on a DeepRead

Problem summary
The Viewer displays the incorrect resolution when using a proxy file on a DeepRead.

Proxy mode toggled off in the Viewer:

Proxy mode toggled on in the Viewer:

However, if there is no proxy file being used, the Viewer will display full resolution. The issue also does not occur with the standard Read node.

Customer reported version
Nuke 12.0v5

Customer reported platform
CentOS 7

Steps to reproduce

1) To see this bug, you will need an EXR with Deep data, as well as a proxy file. Example files are attached.

2) Open Nuke.

3) Create a DeepRead and read in your EXR.

4) Read in the proxy file by using the "proxy" knob on your DeepRead.

5) Toggle proxy mode in the Viewer.

6) Notice that the displayed resolution changes in the bottom left of the Viewer.

Expected behaviour
The behaviour should be consistent with the standard Read node.

Actual behaviour
When toggling proxy mode in the Viewer, the displayed resolution changes in the bottom left of the Viewer

Workaround
Unknown.

Reproduced by support

This bug has been reproduced in:
Nuke 12.1v2 - Windows 10 - macOS 10.13 (High Sierra) - Linux CentOS 7

Nuke 12.0v1 - Windows 10

Nuke 11.0v1 - Windows 10

Nuke 10.0v1 - Windows 10

Nuke 9.0v1 - Windows 10

Nuke 8.0v1 - Windows 10 - macOS 10.13 (High Sierra)

Earliest version tested
Nuke 8.0v1
- This issue appears to be in all versions of the product