Expand Source code macro within Expand Macro causing full collapse of Expanded content

Steps to Reproduce:

• Create a Expand macro
• Create a code macro within the expand macro enabling collapse
• Place content into code macro
• Attempt to expand both Expand macro then Code macro that is collapsed

Results of reproduction:

• All of the content collapses when expanding the code macro.
• When re-expanding the initial Expand macro the Code macro is now expanded.
• When closing the expanded code macro it collapses everything up the tree.