feat(ui): show single iOS signer action

src/app/components/BunkerConnect.svelte

@@ -11,13 +11,10 @@
 
   const {controller}: Props = $props()
   const {url, loading} = controller
+  const isIos = Capacitor.getPlatform() === "ios"
 
-  const openAegis = () => {
-    controller.launchSigner("aegis")
-  }
-
-  const openNostrSigner = () => {
-    controller.launchSigner("nostrsigner")
+  const openSigner = () => {
+    controller.launchSigner()
   }
 </script>
 
@@ -30,10 +27,9 @@
     <div class="flex flex-col items-center gap-2">
       <QRCode code={$url} />
       <p class="text-sm opacity-75">Scan with your signer to log in, or click to copy.</p>
-      {#if Capacitor.isNativePlatform()}
+      {#if isIos}
         <div class="flex w-full flex-col gap-2">
-          <Button class="btn btn-primary" onclick={openAegis}>Open in Aegis</Button>
-          <Button class="btn" onclick={openNostrSigner}>Open in Nostr Signer</Button>
+          <Button class="btn btn-primary" onclick={openSigner}>Open in Signer</Button>
         </div>
       {/if}
     </div>