Switch to NIP-44 bunker encryption

https://gitlab.com/soapbox-pub/ditto/-/issues/279

src/controllers/api/oauth.ts

@@ -119,6 +119,7 @@ async function getToken(
   const nip46Seckey = generateSecretKey();
 
   const signer = new NConnectSigner({
+    encryption: 'nip44',
     pubkey: bunkerPubkey,
     signer: new NSecSigner(nip46Seckey),
     relay: await Storages.pubsub(), // TODO: Use the relays from the request.

src/signers/ConnectSigner.ts

@@ -25,6 +25,7 @@ export class ConnectSigner implements NostrSigner {
 
   async init(signer: NostrSigner): Promise<NConnectSigner> {
     return new NConnectSigner({
+      encryption: 'nip44',
       pubkey: this.opts.bunkerPubkey,
       // TODO: use a remote relay for `nprofile` signing (if present and `Conf.relay` isn't already in the list)
       relay: await Storages.pubsub(),