private Component buildPreviewLabel() {
			JPanel panel = new JPanel(new BorderLayout());

			previewLabel = new GDLabel("");
			previewLabel.setIcon(ResourceManager.getDefaultIcon());
			previewLabel.setHorizontalAlignment(SwingConstants.CENTER);
			previewLabel.setVerticalAlignment(SwingConstants.CENTER);
			panel.add(previewLabel, BorderLayout.CENTER);
			panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
			return panel;
		}
Returns all icons loaded by core Ghidra modules. For this use, we only want to use
icons that are part of a standard distribution because if they are exported, they may
not be available on import. Non-core icons can be used by picking them from the file
system.
@Return all icons loaded by core Ghidra modules
Ghidra/Framework/Docking/src/main/java/docking/options/editor/IconPropertyEditor.java