finish SSH key support

src/views/Unlock.svelte

@@ -34,6 +34,9 @@
         }
 
     }
+
+    let input;
+    onMount(() => input.focus());
 </script>
 
 
@@ -52,7 +55,11 @@
         <ErrorAlert bind:this="{alert}" />
 
         <!-- svelte-ignore a11y-autofocus -->
-        <PassphraseInput autofocus="true" bind:value={passphrase} placeholder="correct horse battery staple" />
+        <PassphraseInput
+            bind:this={input}
+            bind:value={passphrase}
+            placeholder="correct horse battery staple"
+        />
     </label>
 
     <button type="submit" class="btn btn-primary">