useViewConfig: don't request the view config twice (#82141)

[oandregal]

Backports #82141 into the wp/7.1 branch.

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[github-actions]

Size Change: +5 B (0%)

Total Size: 7.75 MB

📦 View Changed

Filename	Size	Change
build/scripts/edit-site/index.min.js	305 kB	+3 B (0%)
build/scripts/editor/index.min.js	502 kB	+2 B (0%)

_{compressed-size-action}

[github-actions]

Flaky tests detected in 924d64d.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/33182342138
📝 Reported tests:

Create a pattern with overrides in /test/e2e/specs/editor/various/pattern-overrides.spec.js, passed after 1 failed attempt.

should update the HTML only for the latest navigation in /test/e2e/specs/interactivity/router-navigate.spec.ts, passed after 1 failed attempt.

TypeError: resolveLink2 is not a function
    at /home/runner/work/gutenberg/gutenberg/test/e2e/specs/interactivity/router-navigate.spec.ts:100:39
    at /home/runner/work/gutenberg/gutenberg/test/e2e/specs/interactivity/router-navigate.spec.ts:100:3