added alert sign to table full message

search_frame.lua

@@ -44,6 +44,7 @@ end
 StaticPopupDialogs['AUX_SEARCH_TABLE_FULL'] = {
     text = 'Table full!\nFurther results from this search will be discarded.',
     button1 = 'Ok',
+    showAlert = 1,
     timeout = 0,
     hideOnEscape = 1,
 }

tooltip.lua

@@ -176,7 +176,7 @@ end
 function game_tooltip_hooks:SetInboxItem(index)
     local name, _, quantity = GetInboxItem(index)
 
-    local id = Aux.cache.item_id(name)
+    local id = name and Aux.cache.item_id(name)
     if id then
         local _, itemstring, quality = GetItemInfo(id)
         local _, _, _, hex = GetItemQualityColor(tonumber(quality))