PESYJE SEARCH STICKY SYNC V6

Requested behavior:
- Desktop map remains sticky/pinned while scrolling the business results.
- As the user scrolls down the list, the map follows the business closest to the center of the viewport.
- Active business card gets highlighted.
- Matching marker gets highlighted.
- Map auto-pans/flyTo to the active business.
- Popup opens automatically.
- Mouse hover interaction from V5 remains.
- Marker -> list sync remains.
- Mobile behavior remains list/map toggle; sticky sync applies on desktop.

INSTALL:
cd /home/n377435/pesyje
unzip -o PESYJE_SEARCH_STICKY_SYNC_V6.zip
php artisan optimize:clear
php artisan view:clear

NO MIGRATION.
