fix(docs): use correct listLocation attribute names in Storage Browser auth example

[tiffanynwyeung]

Description of changes

Fix Storage Browser docs example where "Customer Managed Auth" section uses incorrect listLocations attribute names.

Issue #, if available

Description of how you validated changes

local docs, comparison against stobro types

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[jordanvn]

LGTM. Confirmed this aligns with the ListLocations interface