fix: designation insufficient permission on lead doctype. (#25331)

diff --git a/erpnext/hr/doctype/designation/designation.json b/erpnext/hr/doctype/designation/designation.json
index 4c3888b..bab6b90 100644
--- a/erpnext/hr/doctype/designation/designation.json
+++ b/erpnext/hr/doctype/designation/designation.json
@@ -182,6 +182,10 @@
    "share": 1,
    "submit": 0,
    "write": 1
+  },
+  {
+   "read": 1,
+   "role": "Sales User"
   }
  ],
  "quick_entry": 1,
@@ -191,4 +195,4 @@
  "track_changes": 0,
  "track_seen": 0,
  "track_views": 0
-}
\ No newline at end of file
+}