sync(admin): 从 main 同步列表布局、滚动固定与侧栏选中

checkout main: App.vue, ManageLayout, AgentManager, Matches, LeagueMatches*, AgentDirectPlayersView

apps/admin/src/views/Matches.vue

@@ -719,13 +719,11 @@ function onLeagueArchived() {
   margin-bottom: 16px;
 }
 
-/* 列表表格随内容增高，滚动交给外层 table-wrap（仅赛事行） */
-.matches-page .table-wrap .el-table {
-  height: auto !important;
-}
-.matches-page .table-wrap :deep(.el-table__header),
-.matches-page .table-wrap :deep(.el-table__body) {
-  width: 100% !important;
+/* 联赛列表沿用 admin-list-page 内滚：表头固定、分页贴底 */
+.matches-page .table-wrap :deep(.el-table__header-wrapper) {
+  position: sticky;
+  top: 0;
+  z-index: 2;
 }
 
 .list-panel :deep(.row-navigable) {