better group distribution partner in Tickets

typescript/frontend-marios2/src/content/dashboards/Tickets/TicketList.tsx

@@ -78,9 +78,26 @@ function TicketList() {
       .catch(() => {});
   }, []);
 
+  // Group partner names that differ only by case / whitespace so the same
+  // partner does not appear as multiple dropdown entries (e.g. "Breu AG" vs
+  // "Breu Ag"). Normalize for matching, but show one canonical label per group.
+  const normalizePartner = (p: string) =>
+    p.trim().replace(/\s+/g, ' ').toLowerCase();
+
   const partnerOptions = Array.from(
-    new Set(tickets.map((t) => t.distributionPartner).filter((p) => p && p.trim() !== ''))
-  ).sort();
+    tickets
+      .map((t) => t.distributionPartner)
+      .filter((p) => p && p.trim() !== '')
+      .reduce((map, p) => {
+        const key = normalizePartner(p);
+        const display = p.trim().replace(/\s+/g, ' ');
+        const current = map.get(key);
+        // One canonical label per group; pick the alphabetically first spelling.
+        if (!current || display.localeCompare(current) < 0) map.set(key, display);
+        return map;
+      }, new Map<string, string>())
+      .values()
+  ).sort((a, b) => a.localeCompare(b));
 
   const assigneeOptions = adminUsers
     .filter((u) => {
@@ -99,7 +116,9 @@ function TicketList() {
         t.subject.toLowerCase().includes(search.toLowerCase()) ||
         t.installationName.toLowerCase().includes(search.toLowerCase());
       const matchesStatus = statusFilter.length === 0 || statusFilter.includes(t.status);
-      const matchesPartner = partnerFilter === '' || t.distributionPartner === partnerFilter;
+      const matchesPartner =
+        partnerFilter === '' ||
+        normalizePartner(t.distributionPartner ?? '') === normalizePartner(partnerFilter);
       const matchesAssignee =
         assigneeFilter === '' ||
         (assigneeFilter === '__unassigned__'