Add import and tombstones for mobile coin payments.

app/src/main/java/org/thoughtcrime/securesms/util/MessageConstraintsUtil.kt

@@ -85,6 +85,7 @@ object MessageConstraintsUtil {
       !message.isRemoteDelete &&
       !message.hasGiftBadge() &&
       !message.isPaymentNotification &&
+      !message.isPaymentTombstone &&
       (currentTime - message.dateSent < SEND_THRESHOLD || message.toRecipient.isSelf)
   }
 

app/src/main/java/org/thoughtcrime/securesms/util/MessageRecordUtil.kt

@@ -139,7 +139,8 @@ fun MessageRecord.isTextOnly(context: Context): Boolean {
         !hasSticker() &&
         !isCaptionlessMms(context) &&
         !hasGiftBadge() &&
-        !isPaymentNotification()
+        !isPaymentNotification &&
+        !isPaymentTombstone
       )
 }