Search typeahead: show total found count in the dropdown

The /search/suggest endpoint now returns { items, total } — each filtered query
is reused for both the Take(5) preview and a CountAsync — and the dropdown's
footer link reads «مشاهده همه N نتیجه برای «q»» (Persian digits) instead of a
bare «همه نتایج». The /Search page already showed counts.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/JobsMedical.Web/Pages/Shared/_Layout.cshtml

@@ -254,15 +254,18 @@
                 timer = setTimeout(function () {
                     fetch('/search/suggest?q=' + encodeURIComponent(q))
                         .then(function (r) { return r.json(); })
-                        .then(function (items) {
-                            if (!items || !items.length) { hide(); return; }
+                        .then(function (data) {
+                            var items = (data && data.items) || [];
+                            var total = (data && data.total) || items.length;
+                            if (!items.length) { hide(); return; }
+                            function fa(n) { return String(n).replace(/[0-9]/g, function (d) { return '۰۱۲۳۴۵۶۷۸۹'[+d]; }); }
                             var html = items.map(function (it) {
                                 var sub = it.sub ? '<span class="ns-sub">' + hi(it.sub, q) + '</span>' : '';
                                 return '<a href="' + it.url + '"><span class="ns-type">' + esc(it.type) +
                                     '</span><span class="ns-text"><span class="ns-label">' + hi(it.label, q) +
                                     '</span>' + sub + '</span></a>';
                             }).join('');
-                            html += '<a class="ns-all" href="/Search?Q=' + encodeURIComponent(q) + '">همه نتایج برای «' + esc(q) + '» ←</a>';
+                            html += '<a class="ns-all" href="/Search?Q=' + encodeURIComponent(q) + '">مشاهده همه ' + fa(total) + ' نتیجه برای «' + esc(q) + '» ←</a>';
                             box.innerHTML = html;
                             box.style.display = 'block';
                         }).catch(function () { hide(); });