[Bug] In block programming after a copy of the "Program" block, the paste does not paste the "program" block, but some previously copied one

[BertLindeman]

Describe the bug
Unexpected block pasted after copy of a "program" block

To reproduce
Steps to reproduce the behavior:

1. Open or create a block program
2. Click on the program block
3. Do a copy and paste and see no new program block (i got a previously copied motor block

Expected behavior
What did you expect to happen instead? To paste a new program block

Screenshots
Copied:

Pasted:

Not so important, but funny.

Bert

[laurensvalk]

The main program block is a locked block that cannot be deleted or copied. I can see that this is potentially confusing though. It should probably act like a normal block and only disallow deletion if it is the last instance.