SL-13852 Add visibility options to inventory search results

indra/llui/lllineeditor.h

indra/llui/llsearcheditor.cpp

indra/llui/llsearcheditor.h

indra/newview/llfolderviewmodelinventory.h

indra/newview/llinventoryfilter.cpp

indra/newview/llinventoryfilter.h

indra/newview/llpanelmaininventory.cpp

indra/newview/llpanelmaininventory.h

...s/default/textures/icons/Inv_Toolbar_SearchVisibility.png

indra/newview/skins/default/textures/textures.xml

...s/default/textures/widgets/TextField_Search_Highlight.png

...skins/default/xui/en/menu_inventory_search_visibility.xml

indra/newview/skins/default/xui/en/panel_main_inventory.xml

indra/newview/skins/default/xui/en/widgets/filter_editor.xml

indra/newview/skins/default/xui/en/widgets/search_editor.xml