By "pointless" we mean filenames or patterns in the Windows platform
specification that always match 0 files.

Add logic to llmanifest.py to collect and report all missing files, instead of
stopping at the first.

changeset: 0d43d9754b79

SL-11435 When ALM is enabled, Depth mode shots are broken when snapshot size is set to anything above current window size

Approved-by: Simon Linden <simon@lindenlab.com>
Approved-by: Andrey Lihatskiy <andreylproductengine@lindenlab.com>

SL-11435 When ALM is enabled, Depth mode shots are broken when snapshot size is set to anything above current window size
- fixed bug described in the ticket
- fixed bug with UI (when user change the layer type (color/depth))

SL-11534 FIXED Animated mesh objects aren't highlighted when viewing objects owned by users in the 'About Land' floater