Remove new folder button until implemented in gallery

frontend/src/components/GalleryFigure.vue

@@ -51,10 +51,11 @@ const m = ref<typeof MediaPreview | null>(null)
 figure caption {
   font-weight: 600;
   color: var(--text-color);
-  text-shadow: 0 0 .2rem #000, 0 0 1rem #000;
+  text-shadow: 0 0 .2rem var(--primary-background), 0 0 .2rem var(--primary-background);
 }
 .cursor caption {
   background: var(--accent-color);
+  text-shadow: none;
 }
 caption {
   position: absolute;

frontend/src/components/HeaderMain.vue

@@ -6,6 +6,7 @@
     </template>
     <UploadButton :path="props.path" />
     <SvgButton
+      v-if="!store.prefs.gallery"
       name="create-folder"
       data-tooltip="New folder"
       @click="() => store.fileExplorer!.newFolder()"