remote: Add support for additional SSH arguments in SshSocket (#33243)

Closes #29438

Release Notes:

- Fix SSH agent forwarding doesn't work when using SSH remote
development.

crates/remote/src/ssh_session.rs

@@ -400,6 +400,7 @@ impl SshSocket {
             .stdin(Stdio::piped())
             .stdout(Stdio::piped())
             .stderr(Stdio::piped())
+            .args(self.connection_options.additional_args())
             .args(["-o", "ControlMaster=no", "-o"])
             .arg(format!("ControlPath={}", self.socket_path.display()))
     }
@@ -410,6 +411,7 @@ impl SshSocket {
             .stdin(Stdio::piped())
             .stdout(Stdio::piped())
             .stderr(Stdio::piped())
+            .args(self.connection_options.additional_args())
             .envs(self.envs.clone())
     }
 
@@ -417,22 +419,26 @@ impl SshSocket {
     // On Linux, we use the `ControlPath` option to create a socket file that ssh can use to
     #[cfg(not(target_os = "windows"))]
     fn ssh_args(&self) -> SshArgs {
-        SshArgs {
+        let mut arguments = self.connection_options.additional_args();
-            arguments: vec![
+        arguments.extend(vec![
             "-o".to_string(),
             "ControlMaster=no".to_string(),
             "-o".to_string(),
             format!("ControlPath={}", self.socket_path.display()),
             self.connection_options.ssh_url(),
-            ],
+        ]);
+        SshArgs {
+            arguments,
             envs: None,
         }
     }
 
     #[cfg(target_os = "windows")]
     fn ssh_args(&self) -> SshArgs {
+        let mut arguments = self.connection_options.additional_args();
+        arguments.push(self.connection_options.ssh_url());
         SshArgs {
-            arguments: vec![self.connection_options.ssh_url()],
+            arguments,
             envs: Some(self.envs.clone()),
         }
     }