add null to quizconfig/image types

src/model/questionTypes/images.ts

@@ -29,8 +29,8 @@ export interface QuizQuestionImages extends QuizQuestionBase {
         variants: QuestionVariant[];
         hint: QuestionHint;
         rule: QuestionBranchingRule;
-        back: string;
+        back: string | null;
-        originalBack: string;
+        originalBack: string | null;
         autofill: boolean;
         largeCheck: boolean;
     };

src/model/quizSettings.ts

@@ -30,6 +30,7 @@ export type QuizResultsType = true | null;
 export interface QuizConfig {
     type: QuizType;
     logo: string | null;
+    originalLogo: string | null;
     noStartPage: boolean;
     startpageType: QuizStartpageType;
     results: QuizResultsType;
@@ -41,7 +42,9 @@ export interface QuizConfig {
         background: {
             type: null | "image" | "video";
             desktop: string | null;
+            originalDesktop: string | null;
             mobile: string | null;
+            originalMobile: string | null;
             video: string | null;
             cycle: boolean;
         };
@@ -59,6 +62,7 @@ export interface QuizConfig {
 export const defaultQuizConfig: QuizConfig = {
     type: null,
     logo: null,
+    originalLogo: null,
     noStartPage: false,
     startpageType: null,
     results: null,
@@ -70,7 +74,9 @@ export const defaultQuizConfig: QuizConfig = {
         background: {
             type: null,
             desktop: null,
+            originalDesktop: null,
             mobile: null,
+            originalMobile: null,
             video: null,
             cycle: false,
         },