fix: base64 zod doesn't work for us

also fix delete in a private chat

ts/interactions/conversations/unsendingInteractions.ts

@@ -227,9 +227,10 @@ export async function deleteMessagesFromSwarmAndCompletelyLocally(
     throw new Error('deleteMessagesFromSwarmAndCompletelyLocally needs a 03 or 05 pk');
   }
   if (PubKey.is05Pubkey(pubkey) && pubkey !== UserUtils.getOurPubKeyStrFromCache()) {
-    throw new Error(
+    window.log.warn(
       'deleteMessagesFromSwarmAndCompletelyLocally with 05 pk can only delete for ourself'
     );
+    return;
   }
   // LEGACY GROUPS -- we cannot delete on the swarm (just unsend which is done separately)
   if (conversation.isClosedGroup() && PubKey.is05Pubkey(pubkey)) {

ts/session/apis/snode_api/swarmPolling.ts

@@ -940,8 +940,8 @@ export class SwarmPolling {
 
 // zod schema for retrieve items as returned by the snodes
 const retrieveItemSchema = z.object({
-  hash: z.string().base64('retrieveItemSchema: hash was not base64'),
-  data: z.string().base64('retrieveItemSchema: data was not base64'),
+  hash: z.string(),
+  data: z.string(),
   expiration: z.number().finite(),
   timestamp: z.number().finite().positive(),
 });