don't expose mutable access to UserAccount

it's not preferable that the full mutable access is available to
`ZapWallet`, but this PR is becoming too big already

Signed-off-by: kernelkind <kernelkind@gmail.com>

crates/notedeck/src/account/accounts.rs

@@ -8,7 +8,7 @@ use crate::account::relay::{
 };
 use crate::storage::AccountStorageWriter;
 use crate::user_account::UserAccountSerializable;
-use crate::{AccountStorage, MuteFun, SingleUnkIdAction, UnknownIds, UserAccount};
+use crate::{AccountStorage, MuteFun, SingleUnkIdAction, UnknownIds, UserAccount, ZapWallet};
 use enostr::{ClientMessage, FilledKeypair, Keypair, Pubkey, RelayPool};
 use nostrdb::{Ndb, Note, Transaction};
 
@@ -180,10 +180,14 @@ impl Accounts {
         self.get_selected_account().wallet.is_some()
     }
 
-    pub fn get_selected_account_mut(&mut self) -> &mut UserAccount {
+    fn get_selected_account_mut(&mut self) -> &mut UserAccount {
         self.cache.selected_mut()
     }
 
+    pub fn get_selected_wallet_mut(&mut self) -> Option<&mut ZapWallet> {
+        self.cache.selected_mut().wallet.as_mut()
+    }
+
     fn get_selected_account_data(&self) -> &AccountData {
         &self.cache.selected().data
     }

crates/notedeck/src/wallet.rs

@@ -28,9 +28,7 @@ pub fn get_current_wallet<'a>(
     accounts: &'a mut Accounts,
     global_wallet: &'a mut GlobalWallet,
 ) -> Option<&'a mut ZapWallet> {
-    let acc = accounts.get_selected_account_mut();
-
-    let Some(wallet) = &mut acc.wallet else {
+    let Some(wallet) = accounts.get_selected_wallet_mut() else {
         return global_wallet.wallet.as_mut();
     };