fix: sub-validate message structs

crates/delta/src/routes/channels/message_edit.rs

@@ -71,6 +71,10 @@ pub async fn req(
         new_embeds.clear();
 
         for embed in embeds {
+            embed
+                .validate()
+                .map_err(|error| Error::FailedValidation { error })?;
+
             new_embeds.push(embed.clone().into_embed(db, message.id.clone()).await?);
         }
     }

crates/delta/src/routes/channels/message_send.rs

@@ -164,6 +164,10 @@ pub async fn message_send(
     let mut embeds = vec![];
     if let Some(sendable_embeds) = data.embeds {
         for sendable_embed in sendable_embeds {
+            sendable_embed
+                .validate()
+                .map_err(|error| Error::FailedValidation { error })?;
+
             embeds.push(sendable_embed.into_embed(db, message_id.clone()).await?)
         }
     }