Fix bug where total state change was always zero (#343)

Fixes issue with the event details view where the total state change was field
was incorrectly referenced, resulting in the value always appearing as if it
were zero.

Signed-off-by: James Phillips <jamesdphillips@gmail.com>

src/lib/component/partial/EventDetailsContainer/EventDetailsCheckSummary.js

@@ -193,7 +193,7 @@ class EventDetailsCheckSummary extends React.PureComponent {
                 <DictionaryEntry>
                   <DictionaryKey>Total State Change</DictionaryKey>
                   <DictionaryValue>
-                    {entity.totalStateChange || 0}
+                    {check.totalStateChange || 0}
                     {"%"}
                   </DictionaryValue>
                 </DictionaryEntry>