fix: usar prosapp-logo.png local en sidebar en vez de Image.network

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/ui/shared/widgets/logo.dart

@@ -23,33 +23,10 @@ class Logo extends StatelessWidget {
                 ),
               ],
             ),
-            child: Image.network(
-              'https://www.prosapp.co/img/logo_prosapp.png',
+            child: Image.asset(
+              'prosapp-logo.png',
               height: 38,
               fit: BoxFit.contain,
-              loadingBuilder: (context, child, progress) {
-                if (progress == null) return child;
-                return const SizedBox(
-                  height: 38,
-                  child: Center(
-                    child: SizedBox(
-                      width: 20,
-                      height: 20,
-                      child: CircularProgressIndicator(strokeWidth: 2, color: Color(0xFF42A4EF)),
-                    ),
-                  ),
-                );
-              },
-              errorBuilder: (_, __, ___) => const Text(
-                'ProsApp',
-                textAlign: TextAlign.center,
-                style: TextStyle(
-                  fontSize: 20,
-                  fontWeight: FontWeight.bold,
-                  color: Color(0xFF42A4EF),
-                  letterSpacing: 0.5,
-                ),
-              ),
             ),
           ),
           const SizedBox(height: 10),