fix: robohash image missing with NIP05 login

src/controllers/AuthController.ts

@@ -32,20 +32,44 @@ export class AuthController {
    * or error if otherwise
    */
   async authenticateAndFindMetadata(pubkey: string) {
+    const emptyMetadata = this.metadataController.getEmptyMetadataEvent()
+
+    emptyMetadata.content = JSON.stringify({
+      picture: getRoboHashPicture(pubkey)
+    })
+
     this.metadataController
       .findMetadata(pubkey)
       .then((event) => {
-        store.dispatch(setMetadataEvent(event))
+        if (event) {
+          // In case of NIP05 there is scenario where login content will be populated but without an image
+          // In such case we will add robohash image
+          if (event.content) {
+            const content = JSON.parse(event.content)
+
+            if (!content) {
+              event.content = ''
+            }
+
+            if (!content.picture) {
+              content.picture = getRoboHashPicture(pubkey)
+            }
+
+            event.content = JSON.stringify(content)
+          } else {
+            event.content = JSON.stringify({
+              picture: getRoboHashPicture(pubkey)
+            })
+          }
+
+          store.dispatch(setMetadataEvent(event))
+        } else {
+          store.dispatch(setMetadataEvent(emptyMetadata))
+        }
       })
       .catch((err) => {
         console.warn('Error occurred while finding metadata', err)
 
-        const emptyMetadata = this.metadataController.getEmptyMetadataEvent()
-
-        emptyMetadata.content = JSON.stringify({
-          picture: getRoboHashPicture(pubkey)
-        })
-
         store.dispatch(setMetadataEvent(emptyMetadata))
       })