ID 568144 - Copying a SBP panel to a new sequence does not copy all attributes

Problem summary
Copying a SBP panel to a new sequence does not copy all attributes
 
Customer reported version
flix_7.0.0
 
Customer reported platform
mac.14
 
Steps to reproduce
 
1) Import a sequence into Flix

2)Copy panels from the imported sequence into a new one

3)Try to open panels from both sequences
 
Expected behaviour
Panels should have the same SBP attributes. 
 
Actual behaviour
The panels from the original sequence have the following attributes, but the sequence with the copied panels doesn't have them all.
 
Here is an example from the original sequence:

<comments><premierecomment/><mastercomment1>SB_PSOBJID : 0c0dc2db64e140fa</mastercomment1><mastercomment2>SB_BITMAP_P : 0.0000000000;0.0000000000;0.9999956921;0.9999956921;1.0000000000;0.0000000000;FALSE;1920;1038</mastercomment2><mastercomment3/><mastercomment4>SB_CAPTIONS : "Dialog":"","Action Notes":"","Slugging":"","Notes":"","Flix Data":"{"panel_id":921,"panel_revision":1,"sequence_id":1,"show_id":1}"</mastercomment4></comments>

 
And an example from the copied sequence:

<comments><premierecomment/><mastercomment1/><mastercomment2/><mastercomment3/><mastercomment4>SB_CAPTIONS : "Dialog":"","Action Notes":"","Slugging":"","Notes":"","Flix Data":"{"panel_id":1,"panel_revision":1,"sequence_id":6,"show_id":1}"</mastercomment4></comments>