test: raise frontend coverage baselines

adminfront/src/lib/tenantTree.ts

@@ -24,7 +24,7 @@ export function buildTenantFullTree(
     });
   }
 
-  const visitedDuringBuild = new Set<string>();
+  const _visitedDuringBuild = new Set<string>();
   // Build initial children relations and prevent simple cycles
   for (const t of allTenants) {
     if (t.parentId && t.parentId !== t.id) {