private void maybeShowPopup(MouseEvent e) {
					if (e.isPopupTrigger()) {
						popup.show(e.getComponent(), e.getX(), e.getY());
					}
				}
This spacer addresses the optical impression that the message panel changes size when showing details
Ghidra/Framework/Docking/src/main/java/docking/ErrLogExpandableDialog.java