when you use a notebookbar and add an table or an media object the "hardcoded" context toolbar was shown. For Images, Drawings, ... the context toolbar was not shown. maybe it's cause the context-graphic toolbar are visible on top and the others are on bottom or somewhere. I see in NB the following context toolbars - media - table - master slide
Ordinary bug, no input from UX needed. @QA: not sure it has no duplicate.
*** This bug has been marked as a duplicate of bug 126095 ***