message: Persist last cluster dropdown selection in session storage only
  Update last cluster setting to only be tracked per session, instead of local storage. This prevents user from being trapped at login screen for the last cluster they selected from the dropdown.
diff: @@ -18,7 +18,7 @@ export const useValuesForClusterContext = () => {
  LAST_CLUSTER_USER_SETTINGS_KEY,
  LAST_CLUSTER_USER_SETTINGS_KEY,
  HUB_CLUSTER_NAME,
  - true,
  + false,
  true,
  );
  