DiffDetailsProvider getDiffDetailsProvider() {
		if (diffDetailsProvider == null) {
			diffDetailsProvider = new DiffDetailsProvider(this);
		}
		if (secondaryDiffProgram != null && diffDetailsListener == null) {
			addDiffDetailsProviderComponent();
		}
		return diffDetailsProvider;
	}
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