Refactoring: convert qr_code to Svelte, deprecate Img.ts

src/UI/Base/Img.ts

@@ -1,11 +1,15 @@
 import { Utils } from "../../Utils"
 import BaseUIElement from "../BaseUIElement"
-
+/**
+ * @deprecated
+*/
 export default class Img extends BaseUIElement {
     private readonly _src: string
     private readonly _rawSvg: boolean
     private readonly _options: { readonly fallbackImage?: string }
 
+    /** @deprecated
+     */
     constructor(
         src: string,
         rawSvg = false,

src/UI/Base/Tr.svelte

@@ -20,10 +20,17 @@
 </script>
 
 {#if $txt}
+  {#if cls}
   <span class={cls}>
     <span lang={$lang}>
       {@html Utils.purify($txt)}
     </span>
     <WeblateLink context={t?.context} />
   </span>
+  {:else}
+     <span lang={$lang}>
+      {@html Utils.purify($txt)}
+    </span>
+    <WeblateLink context={t?.context} />
+  {/if}
 {/if}