💄 Optimize chat message cursor

lib/widgets/chat/message_content.dart

@@ -113,12 +113,15 @@ class MessageContent extends StatelessWidget {
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
             Flexible(
+              child: MouseRegion(
+                cursor: SystemMouseCursors.text,
                 child: MarkdownTextContent(
                   content: item.content ?? '*${item.type} has no content*',
                   isSelectable: true,
                   linesMargin: EdgeInsets.zero,
                 ),
               ),
+            ),
             if (translatedText?.isNotEmpty ?? false)
               ...([
                 ConstrainedBox(
@@ -137,11 +140,14 @@ class MessageContent extends StatelessWidget {
                     ],
                   ).padding(vertical: 4),
                 ),
-                MarkdownTextContent(
+                MouseRegion(
+                  cursor: SystemMouseCursors.text,
+                  child: MarkdownTextContent(
                     content: translatedText!,
                     isSelectable: true,
                     linesMargin: EdgeInsets.zero,
                   ),
+                ),
               ]),
           ],
         );

lib/widgets/chat/message_item.dart

@@ -161,6 +161,8 @@ class MessageItem extends HookConsumerWidget {
             : Colors.transparent;
 
     return InkWell(
+      mouseCursor: MouseCursor.defer,
+      focusColor: Colors.transparent,
       onLongPress: showActionMenu,
       onSecondaryTap: showActionMenu,
       onTap: () {