Add cross-domain template copy: browse desktop search filter for orders search

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

templates/_types/browse/desktop/_filter/search.html

@@ -0,0 +1,44 @@
+
+{% macro search(current_local_href,search, search_count, hx_select) -%}
+<!-- Search (1/3 width → 4/12 columns) -->
+  <!-- nb this does NOT oob itself!! -->
+   <div
+      id="search-desktop-wrapper"
+      class="flex flex-row gap-2 items-center"
+    >
+    <input
+      id="search-desktop"
+      type="text"
+      name="search"
+      aria-label="search"
+      class="w-full mx-1 my-3 px-3 py-2 text-md rounded-xl border-2 shadow-sm border-white placeholder-shown:border-white [&:not(:placeholder-shown)]:border-yellow-200"
+      hx-preserve
+      value="{{ search|default('', true) }}"
+      placeholder="search"
+      hx-trigger="input changed delay:300ms"
+      hx-target="#main-panel"
+            
+      hx-select="{{hx_select}}, #search-mobile-wrapper, #search-desktop-wrapper"
+      hx-get="{{ (current_local_href ~ {'search': None}|qs)|host}}"
+      hx-swap="outerHTML"
+      hx-push-url="true"
+      hx-headers='{"X-Origin":"search-desktop", "X-Search":"true"}'
+      hx-sync="this:replace"
+        
+      autocomplete="off"
+    >
+
+    <div
+        id="search-count-desktop"
+        aria-label="search count"
+        {% if not search_count %}
+          class="text-xl text-red-500"
+        {% endif %}
+      >
+        {% if search %}
+          {{search_count}}
+        {% endif %}
+        {{zap_filter}}
+      </div>
+  </div>
+{% endmacro %}