@Override
		public void actionPerformed(ActionEvent event) {
			String actionCommand = event.getActionCommand();

			if (DiffDetailsProvider.DIFF_DETAILS_HIDDEN_ACTION.equals(actionCommand)) {
				if (diffDetailsProvider != null) {
					tool.showComponentProvider(diffDetailsProvider, false);
				}
			}
		}
Reload the marked differences in the diff panel.
Ghidra/Features/ProgramDiff/src/main/java/ghidra/app/plugin/core/diff/ProgramDiffPlugin.java