MAINT-7156: do not use the server-supplied agent email when sending a postcard because it is obfuscated and not needed

MAINT-7095 Fixed Detached and reduced nearby chat floater does not maintain its position through viewer restart.

MAINT-7099 FIXED 'IM' and 'Voice call' menu items should be disabled for the group, which you have already left

MAINT-725 Script debug floater functionality is borked, rendering it completely useless for scripters

MAINT-7082: Remove waiting loop in frame when textures queued for download in alternate thread.  With debug spam for observation.

MAINT-7072 Edit menu shows land impact of object you are sitting on instead of 0 when selecting your attachment