fix js errors

app/javascript/submission_form/completed.vue

@@ -197,13 +197,18 @@ export default {
     download () {
       this.isDownloading = true
 
-      fetch(this.baseUrl + `/submitters/${this.submitterSlug}/download`).then((response) => response.json()).then((urls) => {
-        const isSafariIos = /iPhone|iPad|iPod/i.test(navigator.userAgent)
+      fetch(this.baseUrl + `/submitters/${this.submitterSlug}/download`).then(async (response) => {
+        if (response.ok) {
+          const urls = await response.json()
+          const isSafariIos = /iPhone|iPad|iPod/i.test(navigator.userAgent)
 
-        if (isSafariIos && urls.length > 1) {
-          this.downloadSafariIos(urls)
+          if (isSafariIos && urls.length > 1) {
+            this.downloadSafariIos(urls)
+          } else {
+            this.downloadUrls(urls)
+          }
         } else {
-          this.downloadUrls(urls)
+          alert('Failed to download files')
         }
       })
     },

app/javascript/submission_form/form.vue

@@ -972,14 +972,16 @@ export default {
       this.$nextTick(() => {
         this.recalculateButtonDisabledKey = Math.random()
 
-        if (scrollToArea) {
-          this.scrollIntoField(step[0])
+        if (!this.isCompleted) {
+          if (scrollToArea) {
+            this.scrollIntoField(step[0])
 
-          this.$refs.form.querySelector('input[type="date"], input[type="number"], input[type="text"], select')?.focus()
-        }
+            this.$refs.form.querySelector('input[type="date"], input[type="number"], input[type="text"], select')?.focus()
+          }
 
-        if (clickUpload && !this.values[this.currentField.uuid] && ['file', 'image'].includes(this.currentField.type)) {
-          this.$refs.form.querySelector('input[type="file"]')?.click()
+          if (clickUpload && !this.values[this.currentField.uuid] && ['file', 'image'].includes(this.currentField.type)) {
+            this.$refs.form.querySelector('input[type="file"]')?.click()
+          }
         }
       })
     },