ID 330640 - Cloned nodes do not inherit "use lifetime" properties

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Problem summary
Cloned nodes do not inherit "use lifetime" properties

Customer reported version
nuke.11.0v2

Customer reported platform
windows10

Steps to reproduce
1) Open Nuke
2) Create a grade node by pressing "g."
3) Select the "Node" tab and click "use lifetime."
4) Set the second box in the lifetime range to "50."
5) Select the grade node in the node graph and press "alt+k" to clone it.
6) view each grade node on frame 1.
Result: both are active.
7) view each grade node on frame 51.
Result: the original grade node is disabled, the clone is still enabled.

Workaround
Modify the .nk file at the cloned node to include the following snippet, replacing the values with the desired values:
 lifetimeStart 1
 lifetimeEnd 50
 useLifetime true

Reproduced by Support in
12.1v1 - Windows 10, OSX 10.13, Centos 7.3
11.1v1 - Windows 10, OSX 10.13, Centos 7.3
11.0v3 - Windows 10, OSX 10.13, Centos 7.3 
11.0v1 - Windows 10, OSX 10.13, Centos 7.3
10.5v7 - Windows 10, OSX 10.13, Centos 7.3
10.5v1 - Windows 10, OSX 10.13, Centos 7.3
10.0v6 - Windows 10, OSX 10.13, Centos 7.3
10.0v1 - Windows 10, OSX 10.13, Centos 7.3
9.0v9 - Windows 10, OSX 10.13, Centos 7.3
9.0v1 - Windows 10, OSX 10.13, Centos 7.3

Earliest version tested
9.0v1 - This feature did not exist before this version
Expected behaviour
Cloned nodes should obey the "use lifetime" values.

Actual behaviour
Cloned nodes do not obey the "use lifetime" values.

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