ref(sdk): Move back to 5000ms idleTimeout (#32564)

This removes the push to a higher idleTimeout as well as disabling the reportAllChanges flag to ensure 5000ms is a decent default.

Author: k-fish

static/app/bootstrap/initializeSdk.tsx

@@ -31,9 +31,9 @@ function getSentryIntegrations(hasReplays: boolean = false, routes?: Function) {
             ),
           }
         : {}),
-      idleTimeout: 10000,
+      idleTimeout: 5000,
       _metricOptions: {
-        _reportAllChanges: true,
+        _reportAllChanges: false,
       },
     }),
   ];