[statet-dev] [CI] Build 'statet-main' #270 (202508110600 / commit c6a203

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Build 'statet-main' #270 (202508110600 / commit c6a2038a)
https://ci.eclipse.org/statet/job/statet-main/270/
Result state: SUCCESS

### Changes

  * [Ltk-SourceEditor] Move structure selection handlers to .actions package
  * [Collections] Add Collections.to*ListReversed
  * [R-Model] Fix NPE in RElementSearch
  * [R-Project] Improve RProjectNature
  * Add StatET tag to all names of UI contexts for easier identifiability

### Deployed to

  * Downloads:  https://download.eclipse.org/statet/integration/4.12/latest
  * Maven repo: https://repo.eclipse.org/content/repositories/statet-snapshots