feat: Make received reactions hidden chat messages as well

Before, received reactions went to the trash chat. Make them hidden chat messages as already done
for sent reactions, just for unification. Incoming received reactions remain `InSeen`, so no changes
are needed to `chat::marknoticed_chat()` et al.

src/reaction.rs

@@ -663,7 +663,8 @@ Here's my footer -- [email protected]"
         assert_eq!(get_chat_msgs(&bob, bob_msg.chat_id).await?.len(), 2);
 
         let bob_reaction_msg = bob.pop_sent_msg().await;
-        alice.recv_msg_trash(&bob_reaction_msg).await;
+        let alice_reaction_msg = alice.recv_msg_hidden(&bob_reaction_msg).await;
+        assert_eq!(alice_reaction_msg.state, MessageState::InSeen);
         assert_eq!(get_chat_msgs(&alice, chat_alice.id).await?.len(), 2);
 
         let reactions = get_msg_reactions(&alice, alice_msg.sender_msg_id).await?;
@@ -719,7 +720,7 @@ Here's my footer -- [email protected]"
         bob_msg1.chat_id.accept(&bob).await?;
         send_reaction(&bob, bob_msg1.id, "👍").await?;
         let bob_send_reaction = bob.pop_sent_msg().await;
-        alice.recv_msg_trash(&bob_send_reaction).await;
+        alice.recv_msg_hidden(&bob_send_reaction).await;
         expect_incoming_reactions_event(&alice, alice_msg1.sender_msg_id, alice_bob_id, "👍")
             .await?;
         expect_no_unwanted_events(&alice).await;
@@ -882,7 +883,7 @@ Here's my footer -- [email protected]"
         let bob_reaction_msg = bob.pop_sent_msg().await;
 
         // Alice receives a reaction.
-        alice.recv_msg_trash(&bob_reaction_msg).await;
+        alice.recv_msg_hidden(&bob_reaction_msg).await;
 
         let reactions = get_msg_reactions(&alice, alice_msg_id).await?;
         assert_eq!(reactions.to_string(), "👍1");
@@ -934,7 +935,7 @@ Here's my footer -- [email protected]"
         {
             send_reaction(&alice2, alice2_msg.id, "👍").await?;
             let msg = alice2.pop_sent_msg().await;
-            alice1.recv_msg_trash(&msg).await;
+            alice1.recv_msg_hidden(&msg).await;
         }
 
         // Check that the status is still the same.
@@ -956,7 +957,7 @@ Here's my footer -- [email protected]"
         let alice1_msg = alice1.recv_msg(&alice0.pop_sent_msg().await).await;
 
         send_reaction(&alice0, alice0_msg_id, "👀").await?;
-        alice1.recv_msg_trash(&alice0.pop_sent_msg().await).await;
+        alice1.recv_msg_hidden(&alice0.pop_sent_msg().await).await;
 
         expect_reactions_changed_event(&alice0, chat_id, alice0_msg_id, ContactId::SELF).await?;
         expect_reactions_changed_event(&alice1, alice1_msg.chat_id, alice1_msg.id, ContactId::SELF)

src/receive_imf.rs

@@ -760,7 +760,7 @@ async fn add_parts(
     // (of course, the user can add other chats manually later)
     let to_id: ContactId;
     let state: MessageState;
-    let mut hidden = false;
+    let mut hidden = is_reaction;
     let mut needs_delete_job = false;
     let mut restore_protection = false;
 
@@ -1232,7 +1232,7 @@ async fn add_parts(
     }
 
     let orig_chat_id = chat_id;
-    let mut chat_id = if is_mdn || is_reaction {
+    let mut chat_id = if is_mdn {
         DC_CHAT_ID_TRASH
     } else {
         chat_id.unwrap_or_else(|| {
@@ -1597,10 +1597,10 @@ RETURNING id
                     state,
                     is_dc_message,
                     if trash { "" } else { msg },
-                    if trash { None } else { message::normalize_text(msg) },
-                    if trash { "" } else { &subject },
+                    if trash || hidden { None } else { message::normalize_text(msg) },
+                    if trash || hidden { "" } else { &subject },
                     // txt_raw might contain invalid utf8
-                    if trash { "" } else { &txt_raw },
+                    if trash || hidden { "" } else { &txt_raw },
                     if trash {
                         "".to_string()
                     } else {
@@ -1616,7 +1616,7 @@ RETURNING id
                     mime_in_reply_to,
                     mime_references,
                     save_mime_modified,
-                    part.error.as_deref().unwrap_or_default(),
+                    if trash || hidden { "" } else { part.error.as_deref().unwrap_or_default() },
                     ephemeral_timer,
                     ephemeral_timestamp,
                     if is_partial_download.is_some() {
@@ -1626,7 +1626,7 @@ RETURNING id
                     } else {
                         DownloadState::Done
                     },
-                    mime_parser.hop_info
+                    if trash || hidden { "" } else { &mime_parser.hop_info },
                 ],
                 |row| {
                     let msg_id: MsgId = row.get(0)?;

src/test_utils.rs

@@ -606,6 +606,19 @@ impl TestContext {
         msg
     }
 
+    /// Receive a message using the `receive_imf()` pipeline. Panics if it's not hidden.
+    pub async fn recv_msg_hidden(&self, msg: &SentMessage<'_>) -> Message {
+        let received = self
+            .recv_msg_opt(msg)
+            .await
+            .expect("receive_imf() seems not to have added a new message to the db");
+        let msg = Message::load_from_db(self, *received.msg_ids.last().unwrap())
+            .await
+            .unwrap();
+        assert!(msg.hidden);
+        msg
+    }
+
     /// Receive a message using the `receive_imf()` pipeline. This is similar
     /// to `recv_msg()`, but doesn't assume that the message is shown in the chat.
     pub async fn recv_msg_opt(