Make fedora uri available on taxonomy terms (issue-1288) (#174)

* make fedora uri available on taxonomy terms

* don't need to load route entities (again)

* tighten up the entity check

* coding standards

islandora.module

@@ -379,11 +379,9 @@ function islandora_entity_extra_field_info() {
  * Implements hook_entity_view().
  */
 function islandora_entity_view(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
-  $route_match_item = \Drupal::routeMatch()->getParameters()->all();
-  // Get the parameter, which might be node, media or taxonomy term.
-  $current_entity = reset($route_match_item);
-  // Match exactly to ensure they are the same entity type too.
-  if ($entity === $current_entity) {
+  $route_match_item = \Drupal::routeMatch()->getParameters()->get($entity->getEntityTypeId());
+  // Ensure the entity matches the route.
+  if ($entity === $route_match_item) {
     if ($display->getComponent('field_gemini_uri')) {
       $gemini = \Drupal::service('islandora.gemini.lookup');
       if ($gemini instanceof GeminiLookup) {