headscale: share the invite's https link, drop the deep link

src/workspaces/officerdev/src/apps/Headscale/InvitesView.tsx

@@ -80,13 +80,12 @@ type InviteLinkPanelProps = { invite: HeadscaleInviteCreated; onDismiss: () => v
 const InviteLinkPanel = ({ invite, onDismiss }: InviteLinkPanelProps) => {
   const [showQr, setShowQr] = useState(true);
 
-  // The link goes in `text`, not `url`: it is a custom scheme (`officer-offscale://join#…`) and several
-  // share-sheet implementations only accept http(s) in the url field, rejecting the whole call. As text it
-  // is passed through verbatim by every messenger. A cancelled sheet rejects too — nothing to report there,
-  // the link is still on screen.
+  // Plain https now — the link lands on a page the companion serves, which bounces into the app. It goes in
+  // `url` rather than `text` so share targets treat it as a link and preserve the fragment. A cancelled sheet
+  // rejects — nothing to report there, the link is still on screen.
   const share = () => {
     void navigator
-      .share?.({ title: 'Join the tailnet', text: `Tap to join as ${invite.user}: ${invite.url}` })
+      .share?.({ title: 'Join the tailnet', text: `Tap to join as ${invite.user}`, url: invite.url })
       .catch(() => {});
   };