changed Environment::resolveTemplate() to always return a TemplateWrapper

src/Environment.php

@@ -490,7 +490,7 @@ class Environment
      *
      * @param string|TemplateWrapper|array $names A template or an array of templates to try consecutively
      *
-     * @return TemplateWrapper|Template
+     * @return TemplateWrapper
      *
      * @throws LoaderError When none of the templates can be found
      * @throws SyntaxError When an error occurred during compilation
@@ -498,23 +498,13 @@ class Environment
     public function resolveTemplate($names)
     {
         if (!\is_array($names)) {
-            $names = [$names];
+            return $this->load($names);
         }
 
         foreach ($names as $name) {
-            if ($name instanceof Template) {
-                return $name;
-            }
-            if ($name instanceof TemplateWrapper) {
-                return $name;
-            }
-
             try {
-                return $this->loadTemplate($name);
+                return $this->load($name);
             } catch (LoaderError $e) {
-                if (1 === \count($names)) {
-                    throw $e;
-                }
             }
         }