[PM-14993] Add ssh-agent error handling and security fixes (#12048)

* Add error handling and security fixes

* Add is running status, and add more errors on windows

apps/desktop/desktop_native/napi/src/lib.rs

@@ -307,6 +307,12 @@ pub mod sshagent {
         Ok(())
     }
 
+    #[napi]
+    pub fn is_running(agent_state: &mut SshAgentState) -> bool {
+        let bitwarden_agent_state = agent_state.state.clone();
+        bitwarden_agent_state.is_running()
+    }
+
     #[napi]
     pub fn set_keys(
         agent_state: &mut SshAgentState,