Preserve the recording auth settings when temporarily switching to re…

…cording auth. (#1412)

### What

Preserve the recording auth settings when temporarily switching to
recording auth.

### Why

Previously this didn't matter as we've only switched for the contract
instantiation, but now the contract instantiation may run custom logic
due to constructors, so we need to preserve the settings (currently only
disallowing non-root auth).


### Known limitations

N/A

soroban-sdk/src/env.rs

@@ -965,7 +965,9 @@ impl Env {
             .unwrap();
 
         let prev_auth_manager = self.env_impl.snapshot_auth_manager().unwrap();
-        self.env_impl.switch_to_recording_auth(true).unwrap();
+        self.env_impl
+            .switch_to_recording_auth_inherited_from_snapshot(&prev_auth_manager)
+            .unwrap();
         self.invoke_contract::<()>(
             &token_id,
             &soroban_sdk_macros::internal_symbol_short!("set_admin"),
@@ -1014,7 +1016,9 @@ impl Env {
         constructor_args: Vec<Val>,
     ) -> Address {
         let prev_auth_manager = self.env_impl.snapshot_auth_manager().unwrap();
-        self.env_impl.switch_to_recording_auth(true).unwrap();
+        self.env_impl
+            .switch_to_recording_auth_inherited_from_snapshot(&prev_auth_manager)
+            .unwrap();
         let args_vec: std::vec::Vec<xdr::ScVal> =
             constructor_args.iter().map(|v| v.into_val(self)).collect();
         let contract_id: Address = self