CHUI-647 FIX "Conversations" floater is not opened when user wants to share...

CHUI-647 FIX "Conversations" floater is not opened when user wants to share something via "Conversation log" floater
Added call to show conversations floater in LLAvatarActions::share

indra/newview/llavataractions.cpp

@@ -443,6 +443,7 @@ void LLAvatarActions::share(const LLUUID& id)
 {
 	LLSD key;
 	LLFloaterSidePanelContainer::showPanel("inventory", key);
+	LLFloaterReg::showInstance("im_container");
 
 	LLUUID session_id = gIMMgr->computeSessionID(IM_NOTHING_SPECIAL,id);