[Logs UI] Add default refresh interfal on streaming (elastic#151711)

Closes elastic#150626

## Summary

This PR sets the default streaming refresh interval to 5 seconds.

## Testing
Go to Logs -> Stream
Click on `Stream live` button
The refresh interval should be now 5s (not 1m as it was before)
<img width="2557" alt="image"
src="https://user-images.githubusercontent.com/14139027/220366007-71d2dae9-686f-476e-aee0-0f7ee1456315.png">

x-pack/plugins/infra/public/observability_logs/log_stream_query_state/src/time_filter_state_service.ts

@@ -78,7 +78,10 @@ export const updateTimeContextFromTimeFilterService = actions.assign(
     ) {
       return {
         ...getTimeFromEvent(context, event),
-        refreshInterval: event.refreshInterval,
+        refreshInterval:
+          event.type === 'TIME_FROM_TIME_FILTER_SERVICE_CHANGED'
+            ? event.refreshInterval
+            : { ...context.refreshInterval, pause: event.refreshInterval.pause },
       };
     } else {
       return {};