Migrate SKIPIF -> EXTENSIONS (#7138)

This is an automated migration of most SKIPIF extension_loaded checks.

Fixed bug #72368

Generate a param count mismatch error even if the query contains
no placeholders.

Additionally we shouldn't HANDLE errors from pdo_parse_params,
which are a

Fixed bug #72368

Generate a param count mismatch error even if the query contains
no placeholders.

Additionally we shouldn't HANDLE errors from pdo_parse_params,
which are always reported via raise_impl_error. Doing so results
in duplicate error messages.

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