ID 342601 - Nuke Studio doesn't warn about exporting unrendered single frame comps

Problem summary
Nuke Studio doesn't warn about exporting unrendered single frame comps.

Customer reported version
nuke.11.1v2

Customer reported platform
windows10

Steps to reproduce

1) Open Nuke Studio

2) Import the attached 2 frame sequence

3) Add the clip to the timeline

4) Right Click the sclip in the timeline > Effects > Create comp, and select a root directory

5) Right Click the comp > Export > Export...

6) Select Process as Sequence, and the Log10 Cineon DPX preset

7) Press Export, you will get the below dialog:

​

8) Cancel the Export

9) Shrink the comp to be a single frame

10) Right Click the comp > Export > Export...

11) Press Export, and no dialog will appear

Workaround
Make sure the comp is rendered before you try to export it

Reproduced by support
This bug has been reproduced in:
Nuke Studio 11.1v2 - Windows 10 - CentOS 6.8 - MacOSX 10.13
Nuke Studio 11.1v1 - Windows 10
Nuke Studio 11.0v4 - Windows 10
Nuke Studio 11.0v1 - Windows 10
Nuke Studio 10.5v7 - Windows 10
Nuke Studio 10.5v1 - Windows 10 
Nuke Studio 10.0v1 - Windows 10
Nuke Studio 9.0v9 - Windows 10
Nuke Studio 9.0v1 - Windows 10 - CentOS 6.8 - MacOSX 10.13

Earliest version tested
Nuke Studio 9.0v1 - This feature did not exist before this version
This could not be tested in Hiero as it did not have the comp workflow

Expected behaviour
For a dialog to appear asking what to do about the unrendered comp

Actual behaviour
Nuke attempted to export without asking