Use stretch variant on switch (#36503)

frontend/src/metabase/search/components/ToggleSidebarFilter/ToggleSidebarFilter.styled.tsx

-import styled from "@emotion/styled";
-import { Switch } from "metabase/ui";
-
-export const FilterSwitch = styled(Switch)`
-  .emotion-Switch-body {
-    justify-content: space-between;
-  }
-`;

frontend/src/metabase/search/components/ToggleSidebarFilter/ToggleSidebarFilter.tsx

 import type { SearchFilterToggle } from "metabase/search/types";
-import { Text } from "metabase/ui";
-import { FilterSwitch } from "./ToggleSidebarFilter.styled";
+import { Text, Switch } from "metabase/ui";
 
 export type ToggleSidebarFilterProps = {
   filter: SearchFilterToggle;
@@ -16,10 +15,11 @@ export const ToggleSidebarFilter = ({
   "data-testid": dataTestId,
 }: ToggleSidebarFilterProps) => {
   return (
-    <FilterSwitch
+    <Switch
       wrapperProps={{
         "data-testid": dataTestId,
       }}
+      variant="stretch"
       data-testid="toggle-filter-switch"
       size="sm"
       labelPosition="left"