AC-1450: Disable Swagger in production mode

Author: nathanjosiah

app/code/Magento/Swagger/etc/csp_whitelist.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp:etc/csp_whitelist.xsd">
+        <policies>
+            <policy id="img-src">
+                <values>
+                    <value id="swagger" type="host">validator.swagger.io</value>
+                </values>
+            </policy>
+        </policies>
+</csp_whitelist>

lib/internal/Magento/Framework/Filesystem/Driver/File/Mime.php

@@ -91,6 +91,7 @@ class Mime
     private $genericMimeTypes = [
         'application/x-empty',
         'inode/x-empty',
+        'application/octet-stream'
     ];
 
     /**