Don't flash 'current_password' input #5541 (#36415)

Author: 4m1n0s

src/Illuminate/Foundation/Exceptions/Handler.php

@@ -103,6 +103,7 @@ class Handler implements ExceptionHandlerContract
      * @var string[]
      */
     protected $dontFlash = [
+        'current_password',
         'password',
         'password_confirmation',
     ];