TF-3761 Fix correct size for search icon

Signed-off-by: dab246 <tdvu@linagora.com>

lib/features/mailbox_dashboard/presentation/widgets/search_input_form_widget.dart

@@ -226,7 +226,7 @@ class SearchInputFormWidget extends StatelessWidget with AppLoaderMixin {
         child: TMailButtonWidget.fromIcon(
           icon: _imagePaths.icSearchBar,
           iconColor: AppColor.steelGray400,
-          iconSize: 28,
+          iconSize: 22,
           backgroundColor: Colors.transparent,
           padding: const EdgeInsets.all(4),
           tooltipMessage: AppLocalizations.of(context).search,

lib/features/search/mailbox/presentation/search_mailbox_view.dart

@@ -107,7 +107,7 @@ class SearchMailboxView extends GetWidget<SearchMailboxController>
             child: TMailButtonWidget.fromIcon(
               icon: controller.imagePaths.icSearchBar,
               iconColor: AppColor.steelGray400,
-              iconSize: 20,
+              iconSize: 22,
               backgroundColor: Colors.transparent,
               padding: const EdgeInsets.all(4),
               tooltipMessage: AppLocalizations.of(context).search,
@@ -123,7 +123,8 @@ class SearchMailboxView extends GetWidget<SearchMailboxController>
                 child: TMailButtonWidget.fromIcon(
                   icon: controller.imagePaths.icClearSearchInput,
                   iconColor: AppColor.steelGray400,
-                  iconSize: 20,
+                  iconSize: 22,
+                  backgroundColor: Colors.transparent,
                   padding: const EdgeInsets.all(4),
                   tooltipMessage: AppLocalizations.of(context).clearAll,
                   onTapActionCallback: controller.clearAllTextInputSearchForm,