[11.x] add optional prefix for cache key #53448
Merged
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if a user does not decide to use a dedicated cache store for their password resets, there's a risk of collision/overwriting of the cache keys in the default cache store, since we are just using the user's email. this allows the user to set an optional config value to use a prefix on the cache key.
I left the default blank to start, but we could also choose to come up with some default string.
the other option to this PR is to force people to use a dedicated cache store, which I think we should at least strongly encourage for other reasons as well.