Remove the extra default tenant in workflow save page

[ruanwenjun]

Purpose of the pull request

Since the backend already have a default tenant, we will not need this.

Brief change log

Verify this pull request

This pull request is code cleanup without any test coverage.

(or)

This pull request is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(or)

If your pull request contain incompatible change, you should also add it to docs/docs/en/guide/upgrede/incompatible.md

[codecov-commenter]

Codecov Report

Merging #13867 (25b5e21) into dev (69fc217) will decrease coverage by 0.01%.
The diff coverage is n/a.

❗ Current head 25b5e21 differs from pull request most recent head f980c5a. Consider uploading reports for the commit f980c5a to get more accurate results

@@             Coverage Diff              @@
##                dev   #13867      +/-   ##
============================================
- Coverage     39.08%   39.08%   -0.01%     
  Complexity     4459     4459              
============================================
  Files          1155     1155              
  Lines         42270    42270              
  Branches       4760     4760              
============================================
- Hits          16523    16520       -3     
- Misses        23936    23939       +3     
  Partials       1811     1811              

see 1 file with indirect coverage changes

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[caishunfeng]

+1