Bluetooth: host: Allow get local OOB data while advertiser is enabled

Allow to get local OOB data while advertiser, scanner or whitelist
initiator is active. If direct initiator is active or the advertiser
is using the random address as a random static identity address then
the function will return error.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>