add: send invite code generation errors to client

crates/app/src/routes/api/v1/auth/profile.rs

@@ -852,6 +852,7 @@ pub async fn generate_invite_codes_request(
     }
 
     let mut out_string = String::new();
+    let mut errors_string = String::new();
 
     for _ in 0..count {
         match data
@@ -859,13 +860,16 @@ pub async fn generate_invite_codes_request(
             .await
         {
             Ok(x) => out_string += &(x.code + "\n"),
-            Err(_) => break,
+            Err(e) => {
+                errors_string = e.to_string();
+                break;
+            }
         }
     }
 
     Json(ApiReturn {
         ok: true,
         message: "Success".to_string(),
-        payload: Some(out_string),
+        payload: Some((out_string, errors_string)),
     })
 }