fix: do not require the Message to render MDN

deltachat-ffi/deltachat.h

@@ -6649,6 +6649,8 @@ void dc_event_unref(dc_event_t* event);
 ///
 /// Used as message text of outgoing read receipts.
 /// - %1$s will be replaced by the subject of the displayed message
+///
+/// @deprecated Deprecated 2024-06-23, use DC_STR_READRCPT_MAILBODY2 instead.
 #define DC_STR_READRCPT_MAILBODY          32
 
 /// @deprecated Deprecated, this string is no longer needed.
@@ -7367,6 +7369,11 @@ void dc_event_unref(dc_event_t* event);
 /// Used as info message.
 #define DC_STR_SECUREJOIN_WAIT_TIMEOUT 191
 
+/// "The message is a receipt notification."
+///
+/// Used as message text of outgoing read receipts.
+#define DC_STR_READRCPT_MAILBODY2 192
+
 /// "Contact". Deprecated, currently unused.
 #define DC_STR_CONTACT 200
 

node/constants.js

@@ -266,6 +266,7 @@ module.exports = {
   DC_STR_REACTED_BY: 177,
   DC_STR_READRCPT: 31,
   DC_STR_READRCPT_MAILBODY: 32,
+  DC_STR_READRCPT_MAILBODY2: 192,
   DC_STR_REMOVE_MEMBER_BY_OTHER: 131,
   DC_STR_REMOVE_MEMBER_BY_YOU: 130,
   DC_STR_REPLY_NOUN: 90,

node/lib/constants.ts

@@ -266,6 +266,7 @@ export enum C {
   DC_STR_REACTED_BY = 177,
   DC_STR_READRCPT = 31,
   DC_STR_READRCPT_MAILBODY = 32,
+  DC_STR_READRCPT_MAILBODY2 = 192,
   DC_STR_REMOVE_MEMBER_BY_OTHER = 131,
   DC_STR_REMOVE_MEMBER_BY_YOU = 130,
   DC_STR_REPLY_NOUN = 90,

src/chat.rs

@@ -2908,7 +2908,7 @@ async fn prepare_send_msg(
 /// The caller has to interrupt SMTP loop or otherwise process new rows.
 pub(crate) async fn create_send_msg_jobs(context: &Context, msg: &mut Message) -> Result<Vec<i64>> {
     let needs_encryption = msg.param.get_bool(Param::GuaranteeE2ee).unwrap_or_default();
-    let mimefactory = MimeFactory::from_msg(context, msg).await?;
+    let mimefactory = MimeFactory::from_msg(context, msg.clone()).await?;
     let attach_selfavatar = mimefactory.attach_selfavatar;
     let mut recipients = mimefactory.recipients();