feat(quest): add support for private images in answers

app/pages/hunt/[huntSlug]/[questSlug]/index.vue

@@ -72,6 +72,11 @@ useHead({
 
 const answer = ref(data.value?.answer?.text);
 const final = ref(data.value?.answer?.final || false);
+const privateImage = ref(data.value?.answer?.picture?.private ?? false);
+
+const privateChanged = computed(
+  () => (data.value?.answer?.picture?.private ?? false) !== privateImage.value
+);
 
 const textType = {
   TEXT: 'text',
@@ -114,6 +119,7 @@ async function submit() {
   if (final.value) {
     body.set('final', 'true');
   }
+  body.set('private', privateImage.value ? 'true' : 'false');
   if (newImage.value) {
     uploadingImage.value = true;
     compressing.value = true;
@@ -141,6 +147,7 @@ async function submit() {
 
     await refresh();
     answer.value = data.value?.answer?.text;
+    privateImage.value = data.value?.answer?.picture?.private ?? false;
     newImage.value = undefined;
   } catch (e) {
     if (xhr.status === 418) {
@@ -325,6 +332,13 @@ async function submit() {
                 type="single"
                 file-types="jpg,png,jpeg"
               />
+              <VaCheckbox
+                v-if="newImageURL || data.answer?.picture"
+                v-model="privateImage"
+                :disabled="uploading || data.answer?.final"
+                :label="t('page.quest.private_image')"
+                :messages="t('page.quest.private_image_explain')"
+              />
               <p v-if="data.answer?.updatedAt">
                 {{
                   t('page.quest.last_update', {
@@ -352,7 +366,8 @@ async function submit() {
                   !(
                     newImage ||
                     data.answer?.text !== answer ||
-                    data.answer?.final !== final
+                    data.answer?.final !== final ||
+                    privateChanged
                   ) || uploading
                 "
                 :loading="uploading"