Dont set person on sent message notification

Signed-off-by: Alex Baker <alex@beeper.com>

changelog.d/4221.bugfix

@@ -0,0 +1 @@
+Fix conversation notification for sent messages

vector/src/main/java/im/vector/app/features/notifications/NotificationDrawerManager.kt

@@ -325,11 +325,15 @@ class NotificationDrawerManager @Inject constructor(private val context: Context
                     }
                     roomEventGroupInfo.hasNewEvent = roomEventGroupInfo.hasNewEvent || !event.hasBeenDisplayed
 
-                    val senderPerson = Person.Builder()
+                    val senderPerson = if (event.outGoingMessage) {
+                        null
+                    } else {
+                        Person.Builder()
                                 .setName(event.senderName)
                                 .setIcon(iconLoader.getUserIcon(event.senderAvatarPath))
                                 .setKey(event.senderId)
                                 .build()
+                    }
 
                     if (event.outGoingMessage && event.outGoingMessageFailed) {
                         style.addMessage(stringProvider.getString(R.string.notification_inline_reply_failed), event.timestamp, senderPerson)