update tests to only allow one nav crumb

Author: ryan953

static/app/utils/replays/replayReader.spec.tsx

@@ -200,8 +200,7 @@ describe('ReplayReader', () => {
         expected: [
           expect.objectContaining({category: 'replay.init'}),
           expect.objectContaining({category: 'ui.slowClickDetected'}),
-          expect.objectContaining({category: 'navigation'}),
-          expect.objectContaining({op: 'navigation.navigate'}),
+          expect.objectContaining({op: 'navigation.navigate'}), // prefer the nav span over the breadcrumb
           expect.objectContaining({category: 'ui.click'}),
           expect.objectContaining({category: 'ui.click'}),
         ],