Point search box to faceted navigation

src/recensio/plone/browser/overrides/plone.app.layout.viewlets.searchbox.pt

@@ -0,0 +1,61 @@
+<div class="d-flex flex-column position-relative"
+     id="portal-searchbox"
+     tal:define="
+       navigation_root_url view/navigation_root_url;
+     "
+     i18n:domain="plone"
+>
+
+  <form class="d-flex ${python: view.livesearch and 'pat-livesearch'} ${python: view.show_images and 'show_images'}"
+        id="searchGadget_form"
+        action="@@search"
+        role="search"
+        tal:attributes="
+          action string:${navigation_root_url}/themen-epochen-regionen;
+          data-pat-livesearch string:ajaxUrl:${navigation_root_url}/@@ajax-search;
+        "
+  >
+
+    <label class="hiddenStructure"
+           for="searchGadget"
+           i18n:translate="text_search"
+    >Search Site</label>
+
+    <input class="searchField form-control me-2"
+           id="searchGadget"
+           name="SearchableText"
+           placeholder="Search Site"
+           size="18"
+           title="Search Site"
+           type="text"
+           value=""
+           tal:attributes="
+             value request/form/SearchableText|nothing;
+           "
+           i18n:attributes="title title_search_site;
+                        placeholder title_search_site"
+    />
+
+    <button class="searchButton btn btn-outline-light"
+            type="submit"
+            i18n:translate="label_search"
+    >
+      Search
+    </button>
+
+    <div class="hiddenStructure"
+         id="portal-advanced-search"
+    >
+      <a href="#"
+         tal:attributes="
+           href string:${navigation_root_url}/@@search;
+         "
+         i18n:translate="label_advanced_search"
+      >
+          Advanced Search&hellip;
+      </a>
+    </div>
+
+  </form>
+
+</div>