[IconPack] Replace code snippet tooltip on Package and IconPack name fields with a plain text description tooltip

[egorikftp]

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📝 Changelog

If this PR introduces user-facing changes, please update the relevant Unreleased section in changelogs:

• 🔌 IntelliJ Plugin
• 🖥️ CLI
• 🐘 Gradle Plugin

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Walkthrough

This PR refactors the IconPack editor UI to replace code-snippet tooltips with plain-text descriptions. A new reusable LabelTooltipRow composable is introduced that pairs a label with an info icon tooltip. The IconPackEditor is updated to use this component for package and icon pack name fields instead of the previous CodeTooltipHeader. Supporting tooltip strings are added to the properties file, and the changelog documents both the tooltip change and a new unrelated Settings option for suppressing unused receiver parameter annotations.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: replacing code snippet tooltips with plain text tooltips for Package and IconPack name fields.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description check	✅ Passed	Pull request description includes required changelog checklist with IntelliJ Plugin marked as updated, matching the file changes in CHANGELOG.md.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feature/idea/iconpack

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