MAGETWO-85026: [Backport 2.3] #12450: Set Current Store from Store Code if isUseStoreInUrl #12545

 - Merge Pull Request #12545 from osrecio/magento2:PR#12450_2.3
 - Merged commits:
   1. e9bbe2f

Author: orlangur

app/code/Magento/Store/App/Request/PathInfoProcessor.php

@@ -43,7 +43,7 @@ public function process(\Magento\Framework\App\RequestInterface $request, $pathI
 
         if ($store->isUseStoreInUrl()) {
             if (!$request->isDirectAccessFrontendName($storeCode)) {
-                $this->storeManager->setCurrentStore($storeCode);
+                $this->storeManager->setCurrentStore($store->getCode());
                 $pathInfo = '/' . (isset($pathParts[1]) ? $pathParts[1] : '');
                 return $pathInfo;
             } elseif (!empty($storeCode)) {

app/code/Magento/Store/Test/Unit/App/Request/PathInfoProcessorTest.php

@@ -47,6 +47,7 @@ public function testProcessIfStoreExistsAndIsNotDirectAcccessToFrontName()
         )->with(
             'storeCode'
         )->willReturn($store);
+        $store->expects($this->once())->method('getCode')->will($this->returnValue('storeCode'));
         $store->expects($this->once())->method('isUseStoreInUrl')->will($this->returnValue(true));
         $this->_requestMock->expects(
             $this->once()