Fix being unable to step back in event modal

Fixes a bug occuring in the create event modal.
When scheduling an event, going back from the "proccesing"
step to the "source" step was not possible
if the "asset upload" step was also configured.

Author: Arnei

src/components/events/partials/ModalTabsAndPages/NewAssetUploadPage.tsx

@@ -33,12 +33,6 @@ const NewAssetUploadPage = <T extends RequiredFormProps>({
 		(asset) => asset.type !== "track"
 	);
 
-	// if user not chose upload in step before, the skip this step
-	if (formik.values.sourceMode !== "UPLOAD") {
-		nextPage(formik.values);
-		return null;
-	}
-
 	const handleChange = (e: React.ChangeEvent<HTMLInputElement>, assetId: string) => {
 		if (e.target.files) {
 			if (e.target.files.length === 0) {

src/components/events/partials/wizards/NewEventWizard.tsx

@@ -123,6 +123,10 @@ const NewEventWizard: React.FC<{
 		let newPage = page;
 		do {
 			newPage = newPage + 1;
+			// Skip asset upload step when scheduling
+			if (steps[newPage].name === "upload-asset" && values.sourceMode !== "UPLOAD") {
+				newPage = newPage + 1;
+			}
 		} while(steps[newPage] && steps[newPage].hidden);
 		if (steps[newPage]) {
 			setPage(newPage)
@@ -135,6 +139,10 @@ const NewEventWizard: React.FC<{
 		let newPage = page;
 		do {
 			newPage = newPage - 1;
+			// Skip asset upload step when scheduling
+			if (steps[newPage].name === "upload-asset" && values.sourceMode !== "UPLOAD") {
+				newPage = newPage - 1;
+			}
 		} while(steps[newPage] && steps[newPage].hidden);
 		if (steps[newPage]) {
 			setPage(newPage)