adding base64 image if the question is an image

stable.user.js

@@ -46,7 +46,7 @@
 // : Script header {{{
 // ==UserScript==
 // @name         Moodle/Elearning/KMOOC test help
-// @version      2.1.3.10
+// @version      2.1.3.11
 // @description  Online Moodle/Elearning/KMOOC test help
 // @author       MrFry
 // @match        https://elearning.uni-obuda.hu/*
@@ -260,6 +260,10 @@
         if (img.title) {
           promises.push({ type: 'txt', val: img.title, node: elem })
         } else {
+          const originalBase64 = img.src.startsWith('data:image/')
+            ? img.src
+            : null
+
           promises.push(
             new Promise((resolve) => {
               digestMessage(getBase64Image(img)).then((res) => {
@@ -267,6 +271,7 @@
                   type: 'img',
                   val: res,
                   node: img,
+                  base64: originalBase64,
                 })
               })
             })
@@ -310,7 +315,11 @@
       if (element.type === 'img') {
         // FIXME: include check needed?
         if (!acc.includes(element.val)) {
-          acc.push({ val: element.val, node: element.node })
+          acc.push({
+            val: element.val,
+            node: element.node,
+            base64: element.base64,
+          })
         }
       }
       return acc
@@ -713,7 +722,7 @@
               ...possibleAnswerArray,
             ])
             const data = getDataFromTest(
-              node,
+              question,
               images,
               getLegacyImageID(imageNodes)
             )
@@ -739,7 +748,7 @@
     })
   }
 
-  function getDataFromTest(_node, hashedImages, legacyImages) {
+  function getDataFromTest(questions, hashedImages, legacyImages) {
     if (hashedImages.length > 0) {
       return {
         type: 'image',
@@ -747,6 +756,11 @@
           return x.val
         }),
         images: legacyImages,
+        base64: questions
+          .map((x) => {
+            return x.base64
+          })
+          .filter((x) => !!x),
       }
     } else {
       return {