removed country flags package and read flags from server and implement svg cahce structure

lib/views/your_tenders/widgets/tender_card.dart

@@ -1,4 +1,3 @@
-import 'package:country_flags/country_flags.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/svg.dart';
 import 'package:tm_app/core/utils/date_utils.dart';
@@ -8,6 +7,7 @@ import '../../../core/constants/assets.dart';
 import '../../../core/constants/tender_approval_status.dart';
 import '../../../core/theme/colors.dart';
 import '../../../core/utils/size_config.dart';
+import '../../shared/flag.dart';
 
 class TenderCard extends StatelessWidget {
   final bool isDesktop;
@@ -163,15 +163,8 @@ class TenderCard extends StatelessWidget {
                         ),
                       ),
                       SizedBox(width: 8.0.w()),
-                      // Country flag
-                      SizedBox(
-                        width: 32.0.w(),
-                        height: 21.0.h(),
-                        child: CountryFlag.fromCountryCode(
-                          tender.countryCode!,
-                          shape: RoundedRectangle(4),
-                        ),
-                      ),
+                      if (tender.countryCode != null)
+                        Flag(countryCode: tender.countryCode!),
                     ],
                   ),
                 ),