fix(oauth): authorised client error on fresh sessions

During the callback phase of oauth, we check to see if a user account
exists in the pds and if not, create one. This requires an authorised
client. This fixes an issue where the client authorised client wasn't
grabbed successfully out of the session.

Signed-off-by: brookjeynes <[e-mail]>

internal/server/oauth/handler.go

···
 		return
 	}
 
-	client, err := o.AuthorizedClient(r)
+	clientSession, err := o.ClientApp.ResumeSession(r.Context(), sessData.AccountDID, sessData.SessionID)
 	if err != nil {
 		l.Error("failed to get authorized client", "err", err)
 		http.Redirect(w, r, "/login?error=client", http.StatusFound)
 		return
 	}
+
+	client := clientSession.APIClient()
 
 	ex, _ := comatproto.RepoGetRecord(r.Context(), client, "", yoten.ActorProfileNSID, did, "self")
 	var cid *string