Fixed normal bug EXT-6712(SLapp: nothing happens after click on 'secondlife:///app/group/list/show' link from Nearby chat) - added showing my groups tab in people panel.

Reviewed by Vadim Savchuk, https://codereview.productengine.com/secondlife/r/196/

--HG--
branch : product-engine

indra/newview/llgroupactions.cpp

@@ -75,12 +75,13 @@ public:
 			return false;
 		}
 
-		//*TODO by what to replace showing groups floater?
 		if (tokens[0].asString() == "list")
 		{
 			if (tokens[1].asString() == "show")
 			{
-				//LLFloaterReg::showInstance("contacts", "groups");
+				LLSD params;
+				params["people_panel_tab_name"] = "groups_panel";
+				LLSideTray::getInstance()->showPanel("panel_people", params);
 				return true;
 			}
             return false;