fix: key meta tags by property so og:* tags stop collapsing

[melissa-lomray]

Problem (live on prod, sitewide)

Every page on lomray.com renders only a single og:image Open Graph tag — og:title, og:description, og:url, og:type, og:site_name, og:locale are all missing, even though the app's MetaData component emits them. (Verified by raw curl on home, a blog article, and /services/web-development — all show 1× og:image, 0× every other og:*. The 4 twitter:* tags survive.)

Root cause

Manager.buildKeyByProps only treats ['id', 'name', 'href', 'src'] as unique attributes. twitter:* tags use name= so each gets a distinct key and survives. og:* tags use property= — none of the unique attrs match, so they fall through to the prop-name fallback which builds the key from prop names ([property][content]), not values. Result: every <meta property=… content=…> collapses to the identical key meta[property][content], last-write-wins — only the last og tag (og:image) survives.

Fix

Add property to the unique-attr list so each og:* tag keeps a distinct key (meta[property='og:title'], etc). One line.

Tests

Added a regression test asserting 4 distinct og:* tags survive. Proven red→green: on the unfixed code it fails expected 1 to equal 4 (reproducing the prod symptom); with the fix the full suite is green (5/5). ts:check, eslint, and rollup build all clean.

Consumed by lomray-website at @lomray/react-head-manager@^2.0.2; after publish I'll bump the dep there.

[melissa-lomray]

@MatthewPattell review please — sitewide OG fix, one-line root cause, regression test red→green, full suite green. I lack write here so this is a fork PR; merge + publish is yours.

[github-actions]

🎉 This PR is included in version 2.1.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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