TF-3724 Thread Detail add unread indicator collapsed email

TF-3724 Thread Detail Optimize mark read/star call

TF-3724 Thread Detail Organize markCollapsedEmailReadSuccess

TF-3724 Thread Detail show toast on mark read fail

TF-3724 Thread Detail Update sender, recipient and preview style

TF-3724 Thread Detail Revert ThemeUtils changes

lib/features/email/presentation/widgets/prefix_recipient_widget.dart

@@ -12,12 +12,9 @@ class PrefixRecipientWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.only(top: 6),
-      child: Text(
-        '${prefixEmailAddress.asName(context)}:',
-        style: ThemeUtils.textStyleBodyBody1(color: AppColor.steelGray400),
-      ),
+    return Text(
+      '${prefixEmailAddress.asName(context)}:',
+      style: ThemeUtils.textStyleBodyBody1(color: AppColor.steelGray400),
     );
   }
 }