feat(replays): Make replayId a default column on Discover views (getsentry#40961)

This PR makes the default fields used on the discover view include replayId and the replay link button if the feature is enabled.

Closes getsentry#39716

Author: danecando

static/app/views/eventsV2/results.tsx

@@ -298,7 +298,14 @@ export class Results extends Component<Props, State> {
 
     // If the view is not valid, redirect to a known valid state.
     const {location, organization, selection, isHomepage, savedQuery} = this.props;
-    const query = isHomepage && savedQuery ? omit(savedQuery, 'id') : DEFAULT_EVENT_VIEW;
+    const isReplayEnabled = organization.features.includes('session-replay-ui');
+    const defaultEventView = Object.assign({}, DEFAULT_EVENT_VIEW, {
+      fields: isReplayEnabled
+        ? DEFAULT_EVENT_VIEW.fields.concat(['replayId'])
+        : DEFAULT_EVENT_VIEW.fields,
+    });
+
+    const query = isHomepage && savedQuery ? omit(savedQuery, 'id') : defaultEventView;
     const nextEventView = EventView.fromNewQueryWithLocation(query, location);
     if (nextEventView.project.length === 0 && selection.projects) {
       nextEventView.project = selection.projects;