refactor: Select chat list item logic

lib/widgets/list_items/chat_list_item.dart

@@ -146,10 +146,10 @@ class ChatListItem extends StatelessWidget {
             ? 20.0
             : 14.0
         : 0.0;
-    return Center(
-      child: Material(
-        color: FluffyThemes.chatListItemColor(context, activeChat, selected),
-        child: ListTile(
+    return ListTile(
+      selected: selected,
+      selectedTileColor:
+          FluffyThemes.chatListItemColor(context, activeChat, selected),
       onLongPress: onLongPress,
       leading: selected
           ? Container(
@@ -271,8 +271,7 @@ class ChatListItem extends StatelessWidget {
                           color: room.isUnread
                               ? Theme.of(context).colorScheme.secondary
                               : null,
-                              fontWeight:
-                                  room.isUnread ? FontWeight.bold : null,
+                          fontWeight: room.isUnread ? FontWeight.bold : null,
                           decoration: room.lastEvent?.redacted == true
                               ? TextDecoration.lineThrough
                               : null,
@@ -309,8 +308,6 @@ class ChatListItem extends StatelessWidget {
         ],
       ),
       onTap: () => clickAction(context),
-        ),
-      ),
     );
   }
 }