Pass in echo/secret ui input setting

lib/vagrant/ui/remote.rb

@@ -29,6 +29,7 @@ module Vagrant
 
       def ask(message, **opts)
         opts[:style] ||= :detail
+        opts[:echo] = true if !opts.key?(:echo)
         @client.input(message.gsub("%", "%%"), **opts)
       end
 

plugins/commands/serve/client/terminal.rb

@@ -33,7 +33,7 @@ module VagrantPlugins
                 input: SDK::TerminalUI::Event::Input.new(
                   prompt: prompt,
                   style: STYLE[:info],
-                  secret: !!opts[:echo]
+                  secret: !opts[:echo]
                 )
               ),
             ].each