fix(facetedsearch): Bind the search filters show status

To ensure that the status is synchronised between the parent and the child component.

Author: jmiguelv

frontend/src/lib/components/search/FacetedSearch.svelte

@@ -501,7 +501,7 @@
 
 <div class="search-layout">
 	<SearchFilters
-		show={showFilters}
+		bind:show={showFilters}
 		aggregations={searchAggregations}
 		{total}
 		bind:sortAggregationsBy={searchOptions.sortAggregationsBy}

frontend/src/lib/components/search/SearchFilters.svelte

@@ -4,7 +4,7 @@
 	import RangeSlider from './RangeSlider.svelte';
 
 	let {
-		show = false,
+		show = $bindable(false),
 		aggregations = {},
 		total = 0,
 		languageConjunction = $bindable(true),