oidc: add initial findAccount and fixup findByUid

src/oidc.js

@@ -106,7 +106,7 @@ class CloudronAdapter {
         debug(`[${this.name}] findByUid uid:${uid}`);
 
         for (let d in this.store) {
-            if (this.store[d].uid === uid) return this.store[d].payload;
+            if (this.store[d].payload.uid === uid) return this.store[d].payload;
         }
 
         return false;
@@ -171,6 +171,14 @@ async function getProvider() {
     const { Provider } = await import('oidc-provider');
 
     const configuration = {
+        async findAccount(ctx, id) {
+            debug(`findAccount ctx:${ctx} id:${id}`);
+
+            return {
+                accountId: id,
+                async claims(use, scope) { return { sub: id }; },
+            };
+        },
         adapter: CloudronAdapter,
         clients: [{
             client_id: 'foo',