fix(controller):step entity without name

[goldenxinxing]

Description

closes #1785

Modules

• UI
• Controller
• Agent
• Client
• Python-SDK
• Others

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

Merging #1787 (1546c80) into main (6e5e6e3) will decrease coverage by 8.14%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #1787      +/-   ##
============================================
- Coverage     82.14%   74.01%   -8.14%     
+ Complexity     1962     1961       -1     
============================================
  Files           354      275      -79     
  Lines         18968     9397    -9571     
  Branches       1037     1037              
============================================
- Hits          15582     6955    -8627     
+ Misses         2953     2009     -944     
  Partials        433      433              

Flag	Coverage Δ
controller	74.01% <ø> (ø)
standalone	?
unittests	?

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

Impacted Files	Coverage Δ
...n/java/ai/starwhale/mlops/datastore/DataStore.java	87.54% <0.00%> (ø)
client/starwhale/api/_impl/job.py
client/starwhale/utils/cli.py
client/starwhale/consts/__init__.py
client/starwhale/core/eval/view.py
client/starwhale/core/dataset/view.py
client/starwhale/utils/load.py
client/starwhale/utils/flatten.py
client/starwhale/utils/retry.py
client/starwhale/core/dataset/tabular.py
... and 70 more

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[anda-ren]

LGTM

[dreamlandliu]

lgtm