tweaks (#2426)

* opt: danmaku weight

* opt: cache clean

* opt: level img

* opt: play icon

* opt: svg big-vip

* opt: webview ua

* opt: simple dialog

* feat: export vtt

* tweak

* opt: mapIndexed

* feat: more subtitle

* refa: settings page

* feat: codec list options

* drawPath

Signed-off-by: dom <githubaccount56556@proton.me>

* custom dialog option

Signed-off-by: dom <githubaccount56556@proton.me>

* update

Signed-off-by: dom <githubaccount56556@proton.me>

* Revert "drawPath"

This reverts commit e8a4b19f0f.

* opt: _initStreamIndex

* fix: avoid gap

* fix: scale [skip ci]

* fix: hide repost menu not login

* tweaks

Signed-off-by: dom <githubaccount56556@proton.me>

---------

Co-authored-by: dom <githubaccount56556@proton.me>

lib/pages/live_dm_block/view.dart

@@ -9,6 +9,7 @@ import 'package:PiliPlus/pages/live_dm_block/controller.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
+import 'package:collection/collection.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' show FilteringTextInputFormatter;
@@ -168,15 +169,14 @@ class _LiveDmBlockPageState extends State<LiveDmBlockPage> {
       child: Wrap(
         spacing: 12,
         runSpacing: 12,
-        children: list.indexed.map(
-          (e) {
-            final item = e.$2;
+        children: list.mapIndexed(
+          (i, e) {
             return SearchText(
-              text: item is ShieldUserList ? item.uname! : item as String,
+              text: e is ShieldUserList ? e.uname! : e as String,
               onTap: (value) => showConfirmDialog(
                 context: context,
                 title: const Text('确定删除该规则？'),
-                onConfirm: () => _controller.onRemove(e.$1, item),
+                onConfirm: () => _controller.onRemove(i, e),
               ),
             );
           },