fix(Kotlin): use the global apiNamePrefix and apiNameSuffix settings (#23822)

[manujell73]

fixes (#23822)

Removes Kotlin specific apiSuffix additionalSetting.
Adds support for global apiNamePrefix and apiNameSuffix settings to the kotlin generator.

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Kotlin comittee members:
@karismann (2019/03) @Zomzog (2019/04) @andrewemery (2019/10) @4brunu (2019/11) @yutaka0m (2020/03) @stefankoppier (2022/06) @e5l (2024/10) @dennisameling (2026/02)

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Summary by cubic

Switch Kotlin API class naming to the global apiNamePrefix and apiNameSuffix settings and remove the Kotlin-only apiSuffix option. Fixes #23822 and aligns Kotlin with other generators.

• Migration
  • Remove apiSuffix from Kotlin configs; it’s no longer supported.
  • Use apiNamePrefix and/or apiNameSuffix instead (e.g., -p apiNameSuffix=Test).
  • No action needed if you didn’t set apiSuffix.

^{Written for commit ae951e1. Summary will update on new commits. Review in cubic}

[cubic-dev-ai]

No issues found across 7 files

_{Re-trigger cubic}