@Override
	protected void dialogShown() {
		dialogModel.dialogVisibilityChanged(true);
		originalState = getCurrentState();
		isFiltered = null;
	}
Returns true if any of the filters managed by this dialog are not in their default state.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/filters/AncillaryFilterDialogComponentProvider.java