Simplify wikilink suggestions

[h4yfans]

Summary

• show only the note or journal title for existing wikilink suggestions
• keep create and empty states unchanged
• update focused renderer coverage for title-only suggestion rows

Checks

• pnpm --filter @memry/desktop exec vitest run --config config/vitest.config.ts --project renderer src/renderer/src/components/small-zero-surfaces.test.tsx src/renderer/src/components/cold-major-components.test.tsx
• pnpm --filter @memry/desktop exec eslint src/renderer/src/components/note/content-area/wiki-link-menu.tsx src/renderer/src/components/journal/extensions/wiki-link/wiki-link-autocomplete.tsx --max-warnings=0
• pnpm --filter @memry/desktop typecheck:web
• git diff --check

Note: the normal pre-push hook ran the full desktop suite and failed on unrelated tests (use-bookmarks, conversation-view) plus the existing better-sqlite3 Node module mismatch in storage-data tests.

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Project	Deployment	Actions	Updated (UTC)
memry-docs	Ready	Preview, Comment	May 11, 2026 11:02pm
memrynote-landing	Ready	Preview, Comment	May 11, 2026 11:02pm