Update NUMBER_OF_SESSIONS element identifier

Author: can-angun

ui-tests/cypress/support/elements/dashboard/analytics/sessions/durations.js

@@ -46,7 +46,7 @@ const sessionDurationsDataTableElements = (index = 0) => ({
 
     //Columns' Rows' Datas Elements 
     SESSION_DURATION: 'datatable-session-durations-session-duration-' + index,
-    NUMBER_OF_SESSIONS: 'datatable-session-durations-session-duration-' + index,
+    NUMBER_OF_SESSIONS: 'datatable-session-durations-number-of-sessions-' + index,
     PERCENT_VALUE: 'datatable-session-durations-percent-' + index,
     PERCENT_PROGRESS_BAR: 'datatable-session-durations-progress-bar-' + index,
 
@@ -67,4 +67,4 @@ module.exports = {
     sessionDurationsPageElements,
     sessionDurationsEChartElements,
     sessionDurationsDataTableElements
-};
+};