[Logs UI] Round up the end timestamp in the log stream embeddable (el…

…astic#92833)

This fixes the interpretation of the end timestamp in the log stream embeddable such that it rounds it up. Without this a date range of `now/d` to `now/d` would be resolved to a zero-duration time range even though the date picker semantics are "Today".

x-pack/plugins/infra/public/components/log_stream/log_stream_embeddable.tsx

@@ -66,7 +66,7 @@ export class LogStreamEmbeddable extends Embeddable<LogStreamEmbeddableInput> {
     }
 
     const startTimestamp = datemathToEpochMillis(this.input.timeRange.from);
-    const endTimestamp = datemathToEpochMillis(this.input.timeRange.to);
+    const endTimestamp = datemathToEpochMillis(this.input.timeRange.to, 'up');
 
     if (!startTimestamp || !endTimestamp) {
       return;