test: add snapshot import version compatibility coverage for savings

bill_payments/src/lib.rs

@@ -471,7 +471,7 @@ impl BillPayments {
                     return Err(Error::Unauthorized);
                 }
             }
-            Some(current_admin) => {
+            Some(ref current_admin) => {
                 // Admin transfer - only current admin can transfer
                 if *current_admin != caller {
                     return Err(Error::Unauthorized);

family_wallet/src/lib.rs

@@ -1250,7 +1250,7 @@ impl FamilyWallet {
         // Emit admin transfer event for audit trail
         env.events().publish(
             (symbol_short!("family"), symbol_short!("adm_xfr")),
-            (current_upgrade_admin, new_admin.clone()),
+            (current_upgrade_admin.clone(), new_admin.clone()),
         );
 
         true

savings_goals/src/lib.rs

@@ -437,7 +437,7 @@ impl SavingsGoalContract {
         // Emit admin transfer event for audit trail
         env.events().publish(
             (symbol_short!("savings"), symbol_short!("adm_xfr")),
-            (current_upgrade_admin, new_admin.clone()),
+            (current_upgrade_admin.clone(), new_admin.clone()),
         );
     }