style(app): 格式化并拆分长函数

lib/pages/discover/discover_view.dart

@@ -181,7 +181,8 @@ class _DiscoverPageState extends State<DiscoverPage> {
             padding: const EdgeInsets.fromLTRB(0, 0, 0, 12),
             child: _languages(l10n, allDramas),
           ),
-        ),        if (logic.resumeRecord != null && logic.resumeDrama(allDramas) != null)
+        ),
+        if (logic.resumeRecord != null && logic.resumeDrama(allDramas) != null)
           SliverToBoxAdapter(
             child: Padding(
               padding: const EdgeInsets.fromLTRB(16, 0, 16, 14),
@@ -495,6 +496,7 @@ class _DiscoverPageState extends State<DiscoverPage> {
     if (code == 'en') return l10n.languageEnglish;
     return code;
   }
+
   Widget _continueCard(
     AppLocalizations l10n,
     Drama drama,