protected void showDiff(Program program) {
		actionManager.addActions();
		showSecondView();
		if (showDetails) {
			showDiffDetails();
		}
		if (showApplySettings) {
			showDiffApplySettings();
		}
	}
Used for testing to force file selection dialog instance.
@param dialog project file selection dialog
Ghidra/Features/ProgramDiff/src/main/java/ghidra/app/plugin/core/diff/ProgramDiffPlugin.java