Issue #3518678 by marcoscano: Missing breadcrumb items when title resolves to empty string

src/EasyBreadcrumbBuilder.php

@@ -580,7 +580,7 @@ class EasyBreadcrumbBuilder implements BreadcrumbBuilderInterface {
               $title = $alternativeTitle;
             }
           }
-          if (!isset($title)) {
+          if (empty($title)) {
 
             if ($this->config->get(EasyBreadcrumbConstants::USE_MENU_TITLE_AS_FALLBACK)) {
 
@@ -618,7 +618,7 @@ class EasyBreadcrumbBuilder implements BreadcrumbBuilderInterface {
 
             // Fallback to using the raw path component as the title if the
             // route is missing a _title or _title_callback attribute.
-            if (!isset($title)) {
+            if (empty($title)) {
               $title = $this->normalizeText(str_replace(['-', '_'], ' ', end($path_elements)));
             }
           }