Fix panics on staging TypedArray.slice tests

[jedel1043]

Follow up from #4288.

Fixes the two panics that occurred after bumping the Test262 commit hash.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	50,254	50,595	+341
Passed	47,132	47,246	+114
Ignored	1,444	1,714	+270
Failed	1,678	1,635	-43
Panics	0	0	0
Conformance	93.79%	93.38%	-0.41%

Fixed tests (56):

test/staging/sm/TypedArray/keys.js (previously Failed)
test/staging/sm/TypedArray/from_errors.js (previously Failed)
test/staging/sm/TypedArray/set-with-receiver.js (previously Failed)
test/staging/sm/TypedArray/values.js (previously Failed)
test/staging/sm/TypedArray/from_iterable.js (previously Failed)
test/staging/sm/TypedArray/every-and-some.js (previously Failed)
test/staging/sm/TypedArray/at.js (previously Failed)
test/staging/sm/TypedArray/set-wrapped.js (previously Failed)
test/staging/sm/TypedArray/sorting_buffer_access.js (previously Failed)
test/staging/sm/TypedArray/Tconstructor-fromTypedArray-byteLength.js (previously Failed)
test/staging/sm/TypedArray/object-defineproperty.js (previously Failed)
test/staging/sm/TypedArray/from_this.js (previously Failed)
test/staging/sm/TypedArray/from_constructor.js (previously Failed)
test/staging/sm/TypedArray/sort_large_countingsort.js (previously Failed)
test/staging/sm/TypedArray/includes.js (previously Failed)
test/staging/sm/TypedArray/from_basics.js (previously Failed)
test/staging/sm/TypedArray/indexOf-and-lastIndexOf.js (previously Failed)
test/staging/sm/TypedArray/findLast-and-findLastIndex.js (previously Failed)
test/staging/sm/TypedArray/toLocaleString.js (previously Failed)
test/staging/sm/TypedArray/from_realms.js (previously Failed)
test/staging/sm/TypedArray/fill.js (previously Failed)
test/staging/sm/TypedArray/slice.js (previously Failed)
test/staging/sm/TypedArray/entries.js (previously Failed)
test/staging/sm/TypedArray/of.js (previously Failed)
test/staging/sm/TypedArray/has-property-op.js (previously Failed)
test/staging/sm/TypedArray/slice-bitwise-same.js (previously Failed)
test/staging/sm/TypedArray/join.js (previously Failed)
test/staging/sm/TypedArray/sort_byteoffset.js (previously Failed)
test/staging/sm/TypedArray/find-and-findIndex.js (previously Failed)
test/staging/sm/TypedArray/reduce-and-reduceRight.js (previously Failed)
test/staging/sm/TypedArray/from_mapping.js (previously Failed)
test/staging/sm/TypedArray/forEach.js (previously Failed)
test/staging/sm/TypedArray/element-setting-converts-using-ToNumber.js (previously Failed)
test/staging/sm/TypedArray/map-and-filter.js (previously Failed)
test/staging/sm/TypedArray/reverse.js (previously Failed)
test/staging/sm/generators/gen-with-call-obj.js (previously Failed)
test/staging/sm/statements/for-of-iterator-close.js (previously Failed)
test/staging/sm/statements/for-in-with-gc-and-unvisited-deletion.js (previously Failed)
test/staging/sm/extensions/dataview.js (previously Failed)
test/staging/sm/extensions/regress-650753.js (previously Failed)
test/staging/sm/extensions/typedarray-set-detach.js (previously Failed)
test/staging/sm/extensions/weakmap.js (previously Failed)
test/staging/sm/String/string-upper-lower-mapping.js (previously Failed)
test/staging/sm/lexical-environment/block-scoped-functions-hoisted-tdz.js (previously Failed)
test/staging/sm/lexical-environment/block-scoped-functions-deprecated-redecl.js (previously Failed)
test/staging/sm/regress/regress-592556-c35.js (previously Failed)
test/staging/sm/regress/regress-563221.js (previously Failed)
test/staging/sm/regress/regress-596103.js (previously Failed)
test/staging/sm/regress/regress-1507322-deep-weakmap.js (previously Failed)
test/staging/sm/object/clear-dictionary-accessor-getset.js (previously Failed)
test/intl402/Temporal/PlainDateTime/prototype/yearOfWeek/non-iso-week-of-year.js (previously Failed)
test/intl402/Temporal/PlainDateTime/prototype/weekOfYear/non-iso-week-of-year.js (previously Failed)
test/intl402/Temporal/PlainDate/prototype/yearOfWeek/non-iso-week-of-year.js (previously Failed)
test/intl402/Temporal/PlainDate/prototype/weekOfYear/non-iso-week-of-year.js (previously Failed)
test/intl402/Temporal/ZonedDateTime/prototype/yearOfWeek/non-iso-week-of-year.js (previously Failed)
test/intl402/Temporal/ZonedDateTime/prototype/weekOfYear/non-iso-week-of-year.js (previously Failed)

Broken tests (9):

test/staging/sm/RegExp/unicode-ignoreCase.js (previously Passed)
test/staging/explicit-resource-management/using-with-null-or-undefined.js (previously Passed)
test/intl402/Locale/constructor-options-throwing-getters.js (previously Passed)
test/intl402/Locale/getters-grandfathered.js (previously Passed)
test/intl402/Locale/getters-missing.js (previously Passed)
test/intl402/PluralRules/constructor-options-throwing-getters.js (previously Passed)
test/intl402/PluralRules/default-options-object-prototype.js (previously Passed)
test/intl402/PluralRules/prototype/resolvedOptions/properties.js (previously Passed)
test/intl402/PluralRules/prototype/resolvedOptions/order.js (previously Passed)

[HalidOdat]

Looks good to me! :)