[JENKINS-40622] Add the ability to fold/unfold similar actions in build menu

When using multiple get repositories (with Pipeline) the build menu is useless. To find the "Waiting for input" button, you need to scroll a lot:

I propose that we add the ability to fold similar actions, like in attached screenshots:

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Originally reported by roidelapluie, imported from: Add the ability to fold/unfold similar actions in build menu

• status: Open
  
• priority: Minor
  
• component(s): git-plugin
  
• label(s): pipeline
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 4
  
• imported: 2025-12-02
  

When using multiple get repositories (with Pipeline) the build menu is useless. To find the "Waiting for input" button, you need to scroll a lot:


  


I propose that we add the ability to fold similar actions, like in attached screenshots:


    

3 attachments

- [MBS.png](https://issues.jenkins.io/secure/attachment/35249/MBS.png)
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- [MBS2.png](https://issues.jenkins.io/secure/attachment/35250/MBS2.png)
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- [MBS3.png](https://issues.jenkins.io/secure/attachment/35251/MBS3.png)
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