fix: disable show cleaned reports by default

- Set showCleaned to false in initial filter state
- Cleaned reports will be hidden by default
- Users can enable via map filters to see cleaned reports

src/pages/MapPage.tsx

@@ -16,7 +16,7 @@ export function MapPage() {
   const [selectedReportId, setSelectedReportId] = useState<string | null>(null);
   const [selectedReport, setSelectedReport] = useState<ReportResponseDTO | null>(null);
   const [isLoadingReport, setIsLoadingReport] = useState(false);
-  const [filters, setFilters] = useState<FilterState>({});
+  const [filters, setFilters] = useState<FilterState>({ showCleaned: false });
   const [showClusters, setShowClusters] = useState(true);
   const [showHeatmap, setShowHeatmap] = useState(false);
   const [showHotspots, setShowHotspots] = useState(false);