@Override
			public void focusGained(FocusEvent e) {
				if (explicitPackingButton.isSelected()) {
					return;
				}
				explicitPackingButton.setSelected(true);
				chooseByValuePacking();
			}
Create the Info Panel that is horizontally resizable. The panel contains
the name, category, data type, size, and edit mode for the current
structure in the editor.

@return JPanel the completed composite data type information panel
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompEditorPanel.java