Data/Season: Add comment

src/lib/components/LazyImage.svelte

@@ -54,6 +54,7 @@
   style="aspect-ratio: {imgwidth} / {imgheight}; {containerstyle ??
     ''}; max-width: {imgwidth}px; max-height: {imgheight}px"
 >
+  <!-- TODO: If an image disappears and reappears, it will be loaded again... -->
   {#if load}
     {#await fetch_image_base64(src) then data}
       <img

src/routes/data/season/substitutions/+page.svelte

@@ -27,6 +27,7 @@
   update_substitution_for_select_values["create"] = "";
   update_substitution_race_select_values["create"] = "";
 
+  // TODO: Duplicated code in substitutions/+page.svelte
   const driver_dropdown_options: DropdownOption[] = [];
   data.drivers.then((drivers: Driver[]) =>
     drivers.forEach((driver: Driver) => {