fix(geoportal): show UAT name in search results + fix map snap-back

Search results now JOIN GisUat to display UAT name prominently instead
of just SIRUTA codes. Map flyTo uses imperative handle instead of
stateful props that re-triggered on re-renders.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/modules/geoportal/components/geoportal-module.tsx

@@ -32,8 +32,6 @@ export function GeoportalModule() {
   const [clickedFeature, setClickedFeature] = useState<ClickedFeature | null>(null);
   const [selectionMode, setSelectionMode] = useState<SelectionMode>("off");
   const [selectedFeatures, setSelectedFeatures] = useState<SelectedFeature[]>([]);
-  const [flyTarget, setFlyTarget] = useState<{ center: [number, number]; zoom?: number } | undefined>();
-
   const handleFeatureClick = useCallback((feature: ClickedFeature | null) => {
     // null = clicked on empty space, close panel
     if (!feature || !feature.properties) {
@@ -45,7 +43,7 @@ export function GeoportalModule() {
 
   const handleSearchResult = useCallback((result: SearchResult) => {
     if (result.coordinates) {
-      setFlyTarget({ center: result.coordinates, zoom: result.type === "uat" ? 12 : 17 });
+      mapHandleRef.current?.flyTo(result.coordinates, result.type === "uat" ? 12 : 17);
     }
   }, []);
 
@@ -67,8 +65,6 @@ export function GeoportalModule() {
         onFeatureClick={handleFeatureClick}
         onSelectionChange={setSelectedFeatures}
         layerVisibility={layerVisibility}
-        center={flyTarget?.center}
-        zoom={flyTarget?.zoom}
       />
 
       {/* Setup banner (auto-hides when ready) */}

src/modules/geoportal/components/map-viewer.tsx

@@ -845,12 +845,6 @@ export const MapViewer = forwardRef<MapViewerHandle, MapViewerProps>(
       // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [resolvedMartinUrl, basemap]);
 
-    /* ---- Sync center/zoom prop changes (from search flyTo) ---- */
-    useEffect(() => {
-      if (!mapReady || !mapRef.current || !center) return;
-      mapRef.current.flyTo({ center, zoom: zoom ?? mapRef.current.getZoom(), duration: 1500 });
-    }, [center, zoom, mapReady]);
-
     /* ---- Disable interactions when in drawing modes ---- */
     useEffect(() => {
       const map = mapRef.current;