platform stats fix and english wording

src/Backend/AutopilotMonitor.Functions/Functions/GetPlatformStatsFunction.cs

@@ -56,6 +56,7 @@ namespace AutopilotMonitor.Functions.Functions
                         totalEnrollments = stats.TotalEnrollments,
                         totalUsers = stats.TotalUsers,
                         totalTenants = stats.TotalTenants,
+                        totalSignedUpTenants = stats.TotalSignedUpTenants,
                         uniqueDeviceModels = stats.UniqueDeviceModels,
                         totalEventsProcessed = stats.TotalEventsProcessed,
                         successfulEnrollments = stats.SuccessfulEnrollments,

src/Backend/AutopilotMonitor.Functions/Services/UsageMetricsService.cs

@@ -199,6 +199,7 @@ namespace AutopilotMonitor.Functions.Services
                     TotalEnrollments = platformStats.TotalEnrollments,
                     TotalUsers = platformStats.TotalUsers,
                     TotalTenants = platformStats.TotalTenants,
+                    TotalSignedUpTenants = platformStats.TotalSignedUpTenants,
                     UniqueDeviceModels = platformStats.UniqueDeviceModels,
                     TotalEventsProcessed = platformStats.TotalEventsProcessed,
                     SuccessfulEnrollments = platformStats.SuccessfulEnrollments,

src/Web/autopilot-monitor-web/app/admin-configuration/page.tsx

@@ -859,15 +859,15 @@ export default function AdminConfigurationPage() {
                       <div className="pt-3 border-t border-green-200 flex items-center justify-between gap-4 text-sm text-gray-600 flex-wrap">
                         <span>
                           <span className="font-semibold text-blue-700">{readyCount}</span>
-                          {' '}von{' '}
+                          {' '}of{' '}
                           <span className="font-semibold">{totalCount}</span>
-                          {' '}Tenant(s) sind Ready
+                          {' '}Tenant(s) are Ready
                         </span>
                         <span>
                           <span className="font-semibold text-amber-600">{waitlistCount}</span>
-                          {' '}von{' '}
+                          {' '}of{' '}
                           <span className="font-semibold">{totalCount}</span>
-                          {' '}Tenant(s) auf Waitlist
+                          {' '}Tenant(s) are on the Waitlist
                         </span>
                       </div>
                     )}