### What problem does this PR solve?

Fixes #5923 

Fixes the readonly variables from payload at
 /datasets/<dataset_id> 

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

Now if user tries to modify readonly values then it will show " The
input parameters are invalid. "

invalid_keys = {"id", "embd_id", "chunk_num", "doc_num", "parser_id",
"create_date", "create_time", "created_by",
"status","token_num","update_date","update_time"}
    if any(key in req for key in invalid_keys):
return get_error_data_result(message="The input parameters are
invalid.")
i have include those readonly keys in invalid_keys

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)

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Co-authored-by: Raghav <2020csb1115@iitrpr.ac.in>