It is not possible to change storage node heap size via JBoss ON UI

Environment

• Red Hat JBoss Operations Network (ON) 3.3.0, 3.3.1, 3.3.2, 3.3.4, 3.3.5
• Attempt to change value of the Heap Size property in JBoss ON UI -> Administration -> Storage Nodes in Storage Node Specific Settings section as explained in the Red Hat Documentation 9.7. Managing The Storage Node Heap;