style improvements

- added empty state to list
- styled scrollbars
- progressbar shows time elapsed
- timers are monospace
- prevent overflow in titles

client/src/features/viewers/presenter/PresenterView.module.css

@@ -1,3 +1,5 @@
+@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;800&display=swap');
+
 .container__gray,
 .container__grayFinished {
   margin: 0;
@@ -55,9 +57,18 @@
   grid-area: next;
 }
 
+.title,
+.subtitle,
+.presenter {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 .title {
   color: #ddd;
   font-size: 2.5vw;
+  flex: 1;
 }
 
 .subtitle,
@@ -147,6 +158,7 @@
 }
 
 .clock {
+  font-family: 'Open Sans', sans-serif;
   font-size: 4vw;
   letter-spacing: 0.4vw;
   color: #ddd;