Additional logging

Brief reason: This breaks the use case of searching for places to go and trying several of them. Inconsistent with Destinations and other floaters.

More detailed stream handling and logging

User opened editor, pressed play, according to logs environment wasn't loaded yet, asset had yet to arrive.

On windows PAD_* keys are translated to either arrows or numbers, so PAD_* keybindings remain unused.
On MAC QA did not manage to trigger PAD_* and instead got mac specific returns.

Viewer sending non ML click in mouselook might be a bug, and it generates up and down events on cliks even if mouse wasn't released, but by this point a lot of scripts rely onto this behavior so just reimplemented it as it were prior to DRTVWR-514

All doubleclicks should be treated as clicks in scope of editor

following promotion of DRTVWR-531

It is likely be from newer viewer / Preparations for SL-443 deloyment.

following promotion of DRTVWR-516

This reverts commit efc8b268.