Add optional image parameter to showInputDialog for captcha support. Close #422

assets/init.js

@@ -1322,13 +1322,15 @@ let UI = {
      * Show an input dialog
      * @param title {string}
      * @param validator {(string) => string | null | undefined} - A function that validates the input. If the function returns a string, the dialog will show the error message.
+     * @param image {string?} - Available since 1.4.6. An optional image to show in the dialog. You can use this to show a captcha.
      * @returns {Promise<string | null>} - The input value. If the dialog is canceled, return null.
      */
-    showInputDialog: (title, validator) => {
+    showInputDialog: (title, validator, image) => {
         return sendMessage({
             method: 'UI',
             function: 'showInputDialog',
             title: title,
+            image: image,
             validator: validator
         })
     },