Add sudo chown -R www-data:www-data /var/www/Nitro-V3/ at end of update to fix permissions after build

update-Nitrov3.sh

@@ -1258,7 +1258,13 @@ do_restart() {
 # Probe the emulator's configured TCP port to confirm it is actually serving,
 # not merely that systemd reports the unit as active.
 emulator_port_open() {
-    local port="${NITRO_EMULATOR_PORT:-30000}"
+    local port="${NITRO_EMULATOR_PORT:-}"
+    if [ -z "$port" ]; then
+        port=$(grep -m1 '^game\.port=' "$EMULATOR_DIR/Emulator/target/config.ini" 2>/dev/null | cut -d= -f2)
+    fi
+    if [ -z "$port" ]; then
+        port=30000
+    fi
     if command -v redis-cli >/dev/null 2>&1; then
         local p; p=$(redis-cli GET nitro:emulator:port 2>/dev/null)
         [ -n "$p" ] && port="$p"
@@ -1348,6 +1354,7 @@ cmd_update() {
     esac
 
     show_summary
+    sudo chown -R www-data:www-data /var/www/Nitro-V3/
     release_lock
 }