Disable SSH agent when a tunnel identity file/password is provided (#9814)

docs/en_US/release_notes_9_16.rst

@@ -25,3 +25,5 @@ Housekeeping
 
 Bug fixes
 *********
+
+  | `Issue #9814 <https://github.com/pgadmin-org/pgadmin4/issues/9814>`_ -  Disable SSH agent probing for SSH tunnels when an identity file or password is provided, preventing repeated authentication prompts/denials from the agent.

web/pgadmin/utils/driver/psycopg3/server_manager.py

@@ -593,6 +593,7 @@ def create_ssh_tunnel(self, tunnel_password):
                     ssh_username=self.tunnel_username,
                     ssh_pkey=get_complete_file_path(self.tunnel_identity_file),
                     ssh_private_key_password=tunnel_password,
+                    allow_agent=False,
                     remote_bind_address=(self.host, self.port),
                     logger=ssh_logger,
                     set_keepalive=int(self.tunnel_keep_alive)
@@ -602,6 +603,7 @@ def create_ssh_tunnel(self, tunnel_password):
                     (self.tunnel_host, int(self.tunnel_port)),
                     ssh_username=self.tunnel_username,
                     ssh_password=tunnel_password,
+                    allow_agent=False,
                     remote_bind_address=(self.host, self.port),
                     logger=ssh_logger,
                     set_keepalive=int(self.tunnel_keep_alive)