[JENKINS-30036] node label parameters sorted case sensitive

The nodes in a node selection dropdown are sorted, but case sensitive. Therefore it can become hard to easily find nodes in a mixed case naming scenario (with multiple people administrating slaves).

Example of how the sorting currently looks like, where the Z...f order is unwanted.

Alternative_node

My_node

Zulu_node

fast_node

superfast_node

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Originally reported by bananeweizen, imported from: node label parameters sorted case sensitive

• status: Open
  
• priority: Trivial
  
• component(s): nodelabelparameter-plugin
  
• resolution: Unresolved
  
• votes: 0
  
• watchers: 2
  
• imported: 20251210-235911
  

Raw content of original issue

The nodes in a node selection dropdown are sorted, but case sensitive. Therefore it can become hard to easily find nodes in a mixed case naming scenario (with multiple people administrating slaves).


Example of how the sorting currently looks like, where the Z...f order is unwanted.

Alternative_node

My_node

Zulu_node

fast_node

superfast_node

Start at the node selection dropdown in the nodelabelparameter-plugin and trace where its options are sorted. Reproduce the behavior with mixed-case labels such as Alternative_node, My_node, Zulu_node, fast_node, and superfast_node. Done means the dropdown uses case-insensitive ordering while preserving all node labels.

Written by the indexing model from the issue text.