chiore(front): tidy up upload modal buttons

front/src/ui/modals/Upload.vue

@@ -76,7 +76,6 @@ const channelUpload = ref()
 <template>
   <Modal
     v-model="isOpen"
-    :cancel="t('components.channels.UploadModal.button.close')"
     :title="modalTitle"
   >
     <template
@@ -170,19 +169,18 @@ const channelUpload = ref()
         h
         grow
       />
-      <Spacer size-16 />
       <Button
-        v-if="state.page === 'uploadFiles'"
+        v-if="state.page === 'uploadFiles' && !channelUpload"
         primary
+        @click="() => { isOpen = false }"
       >
-        {{ t('components.channels.UploadModal.button.finishLater') }} /
-        {{ t('components.channels.UploadModal.button.update') }}
+        {{ t('components.channels.UploadModal.button.finishLater') }}
       </Button>
       <Button
         v-if="channelUpload"
+        primary
         @click="() => { channelUpload.publish(); isOpen = false }"
       >
-        <!-- Set update import_metadata from 'draft' to 'public' -->
         {{ t('components.channels.UploadModal.button.publish') }}
       </Button>
     </template>