chore: Follow up design

lib/pages/chat/events/message.dart

@@ -386,10 +386,14 @@ class Message extends StatelessWidget {
                       BorderRadius.circular(AppConfig.borderRadius / 2),
                   clipBehavior: Clip.antiAlias,
                   child: Padding(
-                    padding: const EdgeInsets.all(4.0),
+                    padding: const EdgeInsets.only(top: 4.0),
                     child: Text(
                       event.originServerTs.localizedTime(context),
-                      style: TextStyle(fontSize: 13 * AppConfig.fontSizeFactor),
+                      style: TextStyle(
+                        fontWeight: FontWeight.bold,
+                        fontSize: 12 * AppConfig.fontSizeFactor,
+                        color: Theme.of(context).colorScheme.secondary,
+                      ),
                     ),
                   ),
                 ),

lib/pages/chat/events/state_message.dart

@@ -31,8 +31,8 @@ class StateMessage extends StatelessWidget {
                     ),
                 textAlign: TextAlign.center,
                 style: TextStyle(
-                  fontSize: 13 * AppConfig.fontSizeFactor,
-                  color: Theme.of(context).colorScheme.onSecondaryContainer,
+                  fontSize: 12 * AppConfig.fontSizeFactor,
+                  color: Theme.of(context).colorScheme.secondary,
                   decoration:
                       event.redacted ? TextDecoration.lineThrough : null,
                 ),