add: ignore more input validation errors

backend/src/main.py

@@ -190,6 +190,7 @@ def create_items(
                     ),
                 )
 
+            try:
                 # construct a list of schemas.Item items
                 spreadsheet_item_list = [
                     schemas.ItemCreate(
@@ -201,7 +202,6 @@ def create_items(
                     for row in sheet["data"]
                 ]
                 # dump all the data into database
-            try:
                 accepted, processed = crud.insert_items(db=db, items=spreadsheet_item_list)
             except Exception as e:
                 raise HTTPException(