MC-41412: Improve inline translation.

Author: StasKozar

lib/internal/Magento/Framework/Filter/Input/MaliciousCode.php

@@ -32,7 +32,7 @@ class MaliciousCode implements \Zend_Filter_Interface
         //tags
         '/<\/?(script|meta|link|frame|iframe|object).*>/Uis',
         //scripts
-        '/<\?{1}\s*?(php|=).*>/Uis',
+        '/<\?\s*?(php|=).*>/Uis',
         //base64 usage
         '/src=[^<]*base64[^<]*(?=\/*\>)/Uis',
     ];

lib/internal/Magento/Framework/Filter/Test/Unit/Input/MaliciousCodeTest.php

@@ -120,6 +120,10 @@ public function filterDataProvider()
                 '',
                 '<?   ="test" ?>',
                 '',
+                '<?="test?>',
+                '',
+                '<?=$test?>',
+                '',
             ],
         ];
     }