chore: Follow up reply design

lib/pages/chat/events/message.dart

@@ -224,7 +224,9 @@ class Message extends StatelessWidget {
                                       status: EventStatus.sent,
                                       originServerTs: DateTime.now(),
                                     );
-                              return InkWell(
+                              return Padding(
+                                padding: const EdgeInsets.only(bottom: 4.0),
+                                child: InkWell(
                                   borderRadius: ReplyContent.borderRadius,
                                   onTap: () =>
                                       scrollToEventId(replyEvent.eventId),
@@ -235,6 +237,7 @@ class Message extends StatelessWidget {
                                       timeline: timeline,
                                     ),
                                   ),
+                                ),
                               );
                             },
                           ),

lib/pages/chat/events/reply_content.dart

@@ -38,7 +38,7 @@ class ReplyContent extends StatelessWidget {
         children: <Widget>[
           Container(
             width: 3,
-            height: fontSize * 2 + 12,
+            height: fontSize * 2 + 16,
             color: Theme.of(context).colorScheme.primary,
           ),
           const SizedBox(width: 6),