EXT-2671 avatar rebaking on every login
EXT-2671 avatar rebaking on every login

We were querying agent wearables (baked texture) cache before setting
mWearablesLoaded. First thing the function does is checks mWearablesLoaded.
Moving the call down to later in the function allows us to request & use
cached baked textures again.

Code reviewed by Seraph

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