private void tabChanged() {
		CodeComparisonPanel activePanel = getActiveComparisonPanel();
		if (activePanel == null) {
			return; // initializing
		}
		activePanel.loadComparisons(comparisonData.get(LEFT), comparisonData.get(RIGHT));
	}
Invoked when there is a tab change. This loads the active tab with
the appropriate data to be compared.
Ghidra/Features/Base/src/main/java/ghidra/features/base/codecompare/panel/FunctionComparisonPanel.java