Add contains type tidy check

On general container usage, contains() is more descriptive than count()
> 0.  We have one violation of this, fix it and enable the check.

Tested: Clang-tidy passes.

Change-Id: Ib5702ef97c6da033b6587c9cfebbe30dfbfe80b4
Signed-off-by: Ed Tanous <edtanous@google.com>
diff --git a/redfish-core/lib/sensors.hpp b/redfish-core/lib/sensors.hpp
index b5d0127..1fec868 100644
--- a/redfish-core/lib/sensors.hpp
+++ b/redfish-core/lib/sensors.hpp
@@ -1230,7 +1230,7 @@
 {
     for (InventoryItem& inventoryItem : *inventoryItems)
     {
-        if (inventoryItem.sensors.count(sensorObjPath) > 0)
+        if (inventoryItem.sensors.contains(sensorObjPath))
         {
             return &inventoryItem;
         }