only in patch2:
unchanged:
--- a/core/modules/views/src/Plugin/views/field/FieldPluginBase.php
+++ b/core/modules/views/src/Plugin/views/field/FieldPluginBase.php
@@ -1246,7 +1246,6 @@ public function renderText($alter) {
       $value = strip_tags($value, $alter['preserve_tags']);
     }
 
-    $suffix = '';
     if (!empty($alter['trim']) && !empty($alter['max_length'])) {
       $length = strlen($value);
       $value = $this->renderTrimText($alter, $value);
@@ -1267,8 +1266,6 @@ public function renderText($alter) {
         // @todo Views should expect and store a leading /. See
         //   https://www.drupal.org/node/2423913.
         $more_link = \Drupal::l($more_link_text, CoreUrl::fromUserInput('/' . $more_link_path, array('attributes' => array('class' => array('views-more-link')))));
-
-        $suffix .= " " . $more_link;
       }
     }
 
@@ -1283,8 +1280,10 @@ public function renderText($alter) {
       }
       $value = $this->renderAsLink($alter, $value, $tokens);
     }
-
-    return $value . $suffix;
+    if (isset($more_link)) {
+      $value .= " " . $more_link;
+    }
+    return $value;
   }
 
   /**