[FIX] data format when creating progress record

Was using dictionary as code duplicated from home page. Only one value is ever present so dictionary not required.

src/SetPage.js

@@ -264,16 +264,12 @@ export default withRouter(class SetPage extends React.Component {
 				this.setState({
 					loading: true,
 				})
-				const setIds = Object.keys(this.state.selections)
-					.filter(x => this.state.selections[x]);
 
-				const totalTestQuestions = (await Promise.all(setIds.map((setId) =>
-					this.state.db.collection("sets")
-						.doc(setId)
+				const totalTestQuestions = await this.state.db.collection("sets")
+					.doc(this.props.match.params.setId)
 					.collection("vocab")
 					.get()
-						.then(querySnapshot => querySnapshot.docs.length)
-				))).reduce((a, b) => a + b);
+					.then(querySnapshot => querySnapshot.docs.length);
 
 				this.setState({
 					showTestStart: false,