LED focus handlers are triggered twice if they are in an LED group

[daerogami]

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This is an item logged from the To-Do and was originally reported by (@CelticMinstrel?). If you are familiar with or can recreate this bug, please provide details here.

[CelticMinstrel]

Hmm, I wonder if I did anything about this... it's more of an internal thing in any case, so relatively low priority. (At least, it's internal until I get around to exposing a dialogxml API to the scenario designer... >_> )