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

lib/views/liked_tenders/widgets/liked_tenders_list_item.dart

@@ -1,4 +1,3 @@
-import 'package:country_flags/country_flags.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/svg.dart';
@@ -12,6 +11,7 @@ import 'package:tm_app/views/home/strings/home_strings.dart';
 
 import '../../../core/constants/tender_submision_mode.dart';
 import '../../../data/services/model/tender_approvals_data/tender_approvals_data.dart';
+import '../../shared/flag.dart';
 import '../../shared/select_submission_bottom_sheet.dart';
 import '../../shared/select_submission_dialog.dart';
 
@@ -166,14 +166,8 @@ class LikedListItem extends StatelessWidget {
                   ),
                 ),
                 SizedBox(width: 8.0.w()),
-                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!),
                 Spacer(),
                 InkWell(
                   onTap: () {