IndexedDB: communicate transaction errors and async response data more precisely (#38027)

Digging into several crashing tests revealed that committing
transactions is a fallible operation. Propagating those errors led to
exposing many new errors caused by the IDBRequest implementation
assuming that all successful responses contained a structured clone. The
end result is a bunch of new test failures that were previously hidden.

Testing: Existing test coverage is sufficient.

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Signed-off-by: Josh Matthews <josh@joshmatthews.net>
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Josh Matthews 2025-07-14 22:04:28 -04:00 committed by GitHub
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commit 312985faff
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9 changed files with 196 additions and 51 deletions

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[value_recursive.any.html]
expected: TIMEOUT
[Recursive value - array indirectly contains self]
expected: TIMEOUT
[Recursive value - array member contains self]
expected: TIMEOUT