[SLO] fix UI issue in unified search (elastic#178582)

Fixes elastic#178579

## Before

![Screenshot 2024-03-12 at 21 59
09](https://github.com/elastic/kibana/assets/2852703/a10d7a39-de03-455f-86a2-df7c36619d23)


## After
<img width="1444" alt="Screenshot 2024-03-12 at 22 55 57"
src="https://github.com/elastic/kibana/assets/2852703/39891b69-4812-4ca3-b706-268f4762e6f3">

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

x-pack/plugins/observability_solution/observability/public/pages/slos/components/common/quick_filters.tsx

@@ -110,6 +110,10 @@ export const getSelectedOptions = (filter?: Filter) => {
 };
 
 const Container = styled.div`
+  .controlsWrapper {
+    align-items: flex-start;
+    min-height: initial;
+  }
   .controlGroup {
     min-height: initial;
   }