fix(consumer): fix add undefined user when view

[Baoyuantop]

Please answer these questions before submitting a pull request, or your PR will get closed.

Why submit this pull request?

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What changes will this PR take into?

The consumer does not have an id attribute, but the id is used when update consumer, which will result in the creation of an undefined user.

Modified to use username for update.

Related issues

fix #1954

Checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

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[codecov-commenter]

Codecov Report

Merging #1987 (382b0db) into master (18a4a04) will decrease coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1987      +/-   ##
==========================================
- Coverage   64.01%   63.95%   -0.07%     
==========================================
  Files         122      122              
  Lines        3154     3154              
  Branches      753      753              
==========================================
- Hits         2019     2017       -2     
- Misses       1135     1137       +2     

Flag	Coverage Δ
frontend-e2e-test	63.95% <100.00%> (-0.07%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
web/src/pages/Consumer/List.tsx	90.00% <100.00%> (ø)
web/src/helpers.tsx	68.85% <0.00%> (-3.28%)	⬇️

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