[UX] Add password field to FTP (Cloud storage) (#4232)

frontend/apps/cloudstorage/ftp.lua

@@ -90,6 +90,7 @@ function Ftp:config(item, callback)
             {
                 text = text_password,
                 input_type = "string",
+                text_type = "password",
                 hint = hint_password,
             },
             {

frontend/ui/widget/multiinputdialog.lua

@@ -42,6 +42,7 @@ function MultiInputDialog:init()
             text = field.text or "",
             hint = field.hint or "",
             input_type = field.input_type or "string",
+            text_type =  field.text_type,
             face = self.input_face,
             width = self.width * 0.9,
             focused = k == 1 and true or false,