ACP2E-1512: Env variable config not working for store views with capital letters in the code

fixed multiple issues from mftf tests

Author: aplapana

app/code/Magento/Store/App/Config/Source/RuntimeConfigSource.php

@@ -102,7 +102,7 @@ private function getEntities($table, $keyField)
         );
 
         foreach ($entities as $entity) {
-            $data[$entity[$keyField]] = $entity;
+            $data[strtolower($entity[$keyField])] = $entity;
         }
 
         return $data;

app/code/Magento/Store/App/Config/Type/Scopes.php

@@ -72,7 +72,7 @@ public function get($path = '')
             $path = $this->convertIdPathToCodePath($patchChunks);
         }
 
-        return $this->data->getData($path);
+        return $this->data->getData(strtolower($path));
     }
 
     /**