[I] [Bug] The data nodes should be displayed on the "source" and "sink" sides [inlong]

[via GitHub]

LiJie20190102 opened a new issue, #9252:
URL: https://github.com/apache/inlong/issues/9252

   ### What happened
   
   According to the official website, "Data Nodes" should include "Extract 
Nodes" and "Load Nodes". However, when creating the "Ingestion" task, data 
nodes cannot be selected on the "source" side, but can be displayed on the 
"sink" side.
   
   source:
   
![image](https://github.com/apache/inlong/assets/53458004/34217021-a4ab-4c82-802a-486971eae20a)
   
   sink:
   
![image](https://github.com/apache/inlong/assets/53458004/9af69792-164a-43fb-b21a-b438e38961e3)
   
   
   ### What you expected to happen
   
   The ‘’data nodes‘’ should be displayed on the "source" and "sink" sides
   
   ### How to reproduce
   
   Create the 'Ingestion' task and check if there are any ‘data nodes‘’ in the 
'source'
   
   ### Environment
   
   _No response_
   
   ### InLong version
   
   1.9.0
   
   ### InLong Component
   
   InLong Manager
   
   ### Are you willing to submit PR?
   
   - [X] Yes, I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of 
Conduct](https://www.apache.org/foundation/policies/conduct)
   


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