following promotion of DRTVWR-561

1. text_params, not text_aprams, due to this viewer was reusing same params and failing to create mTitleCtrl
2. All ctrls should be owned.

SL-17691: Color changes on objects cause octree rebuilds

Approved-by: Andrey Lihatskiy

SL-17691: Consolidate calls to onDrawableUpdateFromServer to reduce false positives, change mServerDrawableUpdateCount from U64->U32

and at LLFolderViewItem::postBuild for LLConversationViewParticipant

mImageBar and mImageFill are specified as optional

According to bugsplat node was null

SL-17751: Fix bounding boxes not updating in special cases, leading to object invisibility

Approved-by: Andrey Lihatskiy

'Sitting' motion was in a loading state, but not active, which resulted in viewer dropping 'sitting' state

SL-17666 Allow Map sidebar UI to be hidden

SL-17448: Fix LOD/octree update feedback loops causing LOD fluctuations.

Approved-by: Andrey Lihatskiy

May also fix octree updates on mere material changes due to general refactoring.

SL-17510: Fix frequently updating meshes (ex: sculpties) causing expensive octree updates by removing them from the static octree via makeActive

# Conflicts:
#	indra/newview/llviewertexturelist.cpp

following promotion of DRTVWR-543

Support 'button up' when losing focus
When releasing button far out of view or by refocusing something, button was not commiting. LLPanelObject last call was sendPosition(btn_down) with btn_down true which resulted in missed update. Now it will get one more call with btn_down==false.