shouldCurrentMessageHideMetadata: Hide more often for less jumpiness

ts/test-both/util/timelineUtil_test.ts

@@ -217,7 +217,7 @@ describe('<Timeline> utilities', () => {
       assert.isTrue(shouldCurrentMessageHideMetadata(true, current, newer));
     });
 
-    it('returns true if all three have delivered status or above', () => {
+    it('returns true if both have delivered status or above', () => {
       assert.isTrue(
         shouldCurrentMessageHideMetadata(true, defaultCurrent, defaultNewer)
       );

ts/util/timelineUtil.ts

@@ -88,18 +88,13 @@ export function shouldCurrentMessageHideMetadata(
     case 'sending':
       return false;
     case 'sent':
-      return newerMessage.status === 'sent';
     case 'delivered':
     case 'read':
     case 'viewed':
-      return (
+      return true;
-        newerMessage.status === 'delivered' ||
-        newerMessage.status === 'read' ||
-        newerMessage.status === 'viewed'
-      );
     default:
       log.error(missingCaseError(message.status));
-      return false;
+      return true;
   }
 }