chore: Follow up chatlist design

lib/pages/chat_list/chat_list_body.dart

@@ -156,11 +156,11 @@ class ChatListViewBody extends StatelessWidget {
                     ),
                     if (client.rooms.isNotEmpty && !controller.isSearchMode)
                       SizedBox(
-                        height: 44,
+                        height: 64,
                         child: ListView(
                           padding: const EdgeInsets.symmetric(
                             horizontal: 12.0,
-                            vertical: 6,
+                            vertical: 16.0,
                           ),
                           shrinkWrap: true,
                           scrollDirection: Axis.horizontal,

lib/pages/chat_list/status_msg_list.dart

@@ -124,10 +124,10 @@ class PresenceAvatar extends StatelessWidget {
             presence.userid;
         final statusMsg = presence.statusMsg;
 
-        final statusMsgBubbleElevation =
-            theme.appBarTheme.scrolledUnderElevation ?? 4;
-        final statusMsgBubbleShadowColor = theme.colorScheme.onSurface;
-        final statusMsgBubbleColor = Colors.white.withAlpha(245);
+        const statusMsgBubbleElevation = 6.0;
+        final statusMsgBubbleShadowColor =
+            Theme.of(context).colorScheme.surface;
+        final statusMsgBubbleColor = Colors.white.withOpacity(0.9);
         return Padding(
           padding: const EdgeInsets.symmetric(horizontal: 8.0),
           child: SizedBox(