fill storage cache with just created attachment key

ts/attachments/attachments.ts

@@ -154,7 +154,8 @@ export const deleteAll = async ({ userDataPath, attachments }: any) => {
     await deleteFromDisk(file);
   }
 
-  window?.log?.info(`deleteAll: deleted ${attachments.length} files`);
+  // tslint:disable-next-line: no-console
+  console.log(`deleteAll: deleted ${attachments.length} files`);
 };
 
 //      createName :: Unit -> IO String

ts/data/data.ts

@@ -493,6 +493,11 @@ export async function generateAttachmentKeyIfEmpty() {
       id: 'local_attachment_encrypted_key',
       value: encryptingKey,
     });
+    // be sure to write the new key to the cache. so we can access it straight away
+    window.textsecure.storage.put(
+      'local_attachment_encrypted_key',
+      encryptingKey
+    );
   }
 }