aws ses 구현

frontend/lib/features/dashboard/presentation/dashboard_screen.dart

@@ -67,13 +67,8 @@ class DashboardScreen extends StatelessWidget {
               SizedBox(
                 width: double.infinity,
                 height: 56,
-                child: ElevatedButton.icon(
+                child: ElevatedButton(
                   onPressed: () => _onScanQR(context),
-                  icon: const Icon(Icons.qr_code_scanner, size: 28),
-                  label: Text(
-                    'QR 스캔하기',
-                    style: GoogleFonts.notoSans(fontSize: 18, fontWeight: FontWeight.w600),
-                  ),
                   style: ElevatedButton.styleFrom(
                     backgroundColor: const Color(0xFF1A1F2C),
                     foregroundColor: Colors.white,
@@ -82,6 +77,18 @@ class DashboardScreen extends StatelessWidget {
                       borderRadius: BorderRadius.circular(12),
                     ),
                   ),
+                  child: Row(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: [
+                      const Icon(Icons.qr_code_scanner, size: 28),
+                      const SizedBox(width: 12),
+                      Text(
+                        'QR 스캔하기',
+                        style: GoogleFonts.notoSans(fontSize: 18, fontWeight: FontWeight.w600),
+                      ),
+                      const SizedBox(width: 40), // Icon size(28) + Spacing(12) to balance the centering
+                    ],
+                  ),
                 ),
               ),
               const SizedBox(height: 16),