STORM-293 FIXED Friend permissions icons overlap long names on 'My Friends' tab

- Added 'avatar name right padding' as parameter to avatar_list_item.
  Before it was calculated and correctness of calculation was strongly dependent on right positioning elements in XML, which was prone to errors.

indra/newview/llavatarlistitem.cpp

@@ -41,7 +41,7 @@
 
 bool LLAvatarListItem::sStaticInitialized = false;
 S32 LLAvatarListItem::sLeftPadding = 0;
-S32 LLAvatarListItem::sRightNamePadding = 0;
+S32 LLAvatarListItem::sNameRightPadding = 0;
 S32 LLAvatarListItem::sChildrenWidths[LLAvatarListItem::ALIC_COUNT];
 
 static LLWidgetNameRegistry::StaticRegistrar sRegisterAvatarListItemParams(&typeid(LLAvatarListItem::Params), "avatar_list_item");
@@ -52,7 +52,8 @@ LLAvatarListItem::Params::Params()
 	voice_call_joined_style("voice_call_joined_style"),
 	voice_call_left_style("voice_call_left_style"),
 	online_style("online_style"),
-	offline_style("offline_style")
+	offline_style("offline_style"),
+	name_right_pad("name_right_pad", 0)
 {};
 
 
@@ -119,6 +120,9 @@ BOOL  LLAvatarListItem::postBuild()
 		// so that we can hide and show them again later.
 		initChildrenWidths(this);
 
+		// Right padding between avatar name text box and nearest visible child.
+		sNameRightPadding = LLUICtrlFactory::getDefaultParams<LLAvatarListItem>().name_right_pad;
+
 		sStaticInitialized = true;
 	}
 
@@ -486,7 +490,6 @@ void LLAvatarListItem::initChildrenWidths(LLAvatarListItem* avatar_item)
 	S32 icon_width = avatar_item->mAvatarName->getRect().mLeft - avatar_item->mAvatarIcon->getRect().mLeft;
 
 	sLeftPadding = avatar_item->mAvatarIcon->getRect().mLeft;
-	sRightNamePadding = avatar_item->mLastInteractionTime->getRect().mLeft - avatar_item->mAvatarName->getRect().mRight;
 
 	S32 index = ALIC_COUNT;
 	sChildrenWidths[--index] = icon_width;
@@ -565,7 +568,7 @@ void LLAvatarListItem::updateChildren()
 
 	// apply paddings
 	name_new_width -= sLeftPadding;
-	name_new_width -= sRightNamePadding;
+	name_new_width -= sNameRightPadding;
 
 	name_view_rect.setLeftTopAndSize(
 		name_new_left,

indra/newview/llavatarlistitem.h

@@ -51,6 +51,8 @@ class LLAvatarListItem : public LLPanel, public LLFriendObserver
 									online_style,
 									offline_style;
 
+		Optional<S32>				name_right_pad;
+
 		Params();
 	};
 
@@ -215,7 +217,7 @@ class LLAvatarListItem : public LLPanel, public LLFriendObserver
 
 	static bool	sStaticInitialized; // this variable is introduced to improve code readability
 	static S32  sLeftPadding; // padding to first left visible child (icon or name)
-	static S32  sRightNamePadding; // right padding from name to next visible child
+	static S32  sNameRightPadding; // right padding from name to next visible child
 
 	/**
 	 * Contains widths of each child specified by EAvatarListItemChildIndex

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

 <?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 <avatar_list_item
+ name_right_pad="5"
  height="0"
  layout="topleft"
  left="0"