translate(blog): React Labs View Transitions (#732)

* translate(blog): React Labs View Transitions

Italian AI-draft translation of the April 2025 React Labs post on
View Transitions and Activity, including prose and code comments.

Signed-off-by: Alessandro De Blasis <alex@deblasis.net>
Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(blog): align labs post Note block order with convention

Move the AI-draft Note after the byline horizontal rule to match other
translated blog posts.

Signed-off-by: Alessandro De Blasis <alex@deblasis.net>
Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(blog): polish labs View Transitions translation

Fix TOC label, credits line, and lifecycle phrasing in the
React Labs View Transitions post.

Signed-off-by: Alessandro De Blasis <alex@deblasis.net>
Co-authored-by: Cursor <cursoragent@cursor.com>

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Signed-off-by: Alessandro De Blasis <alex@deblasis.net>
Co-authored-by: Cursor <cursoragent@cursor.com>

Author: deblasis