Enable answer count and [FIX] option copying

Add option to display number of answers to current prompt and ensure test options get copied to new tests that are created at the end of an existing test (with the restart test/restart test with incorrect buttons)

src/LivesTestStart.js

@@ -70,6 +70,14 @@ export default function LivesTestStart(props) {
 						/>
 						<span>Ignore capitals</span>
 					</label>
+					<label>
+						<Checkbox
+							checked={props.showNumberOfAnswers}
+							onChange={props.handleShowNumberOfAnswersChange}
+							inputProps={{ 'aria-label': 'checkbox' }}
+						/>
+						<span>Show number of answers</span>
+					</label>
 				</div>
 
 				<Button