revert to pkill and adding service stop

release_files/darwin_pkg/preinstall

@@ -5,7 +5,10 @@ LOG_FILE=/var/log/netbird/client_install.log
 mkdir -p /var/log/netbird/
 
 {
-    osascript -e 'quit app "Netbird"' || true
+    netbird service stop || true
+    netbird service uninstall || true
+    pkill -f netbird || true
+
     echo "Preinstall complete"
     exit 0 # all good
 } &> $LOG_FILE