feat: Add creator card subtitle clamp helper

[Uche44]

Summary

• Added creatorCardSubtitleClampClass helper function and DEFAULT_CREATOR_CARD_SUBTITLE_MAX_LINES constant in lineClamp.utils.ts.

• Applied creatorCardSubtitleClampClass to TrendingCreatorCard.tsx description paragraph for consistent subtitle line clamping.

• Updated CreatorBio.tsx to use creatorCardSubtitleClampClass when clamping card variant bios.

• Added unit test suite in lineClamp.utils.test.ts covering default line count, custom line counts, out-of-bounds capping, and invalid inputs.

• Updated TrendingCreatorCard.integration.test.tsx with an integration test verifying that the subtitle line-clamp utility class is applied to card description elements.

• Closes Add creator card subtitle clamp helper #205

Testing

• pnpm lint
• pnpm build

Checklist

• Linked issue or backlog item
• Scope is limited to the stated change
• Updated docs if behavior or setup changed
• [ x] Added screenshots for UI changes when relevant

Test screenshots

[drips-wave]

@Uche44 Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits