Simplify frontend setup: streamline npm installation process in setup script

Signed-off-by: Andre Bossard <anbossar@microsoft.com>

Author: abossard

setup.sh

@@ -96,11 +96,7 @@ echo "⚛️  Setting up React frontend..."
 cd frontend
 
 echo "Installing frontend npm dependencies..."
-if [ -f "package-lock.json" ]; then
-    npm ci
-else
-    npm install
-fi
+npm install
 
 info "Frontend setup complete"
 cd ..