fix(params_getter): try to bind even if socket exists

lua/neotest-python/pytest.lua

@@ -88,6 +88,7 @@ local function get_socket_path(cmd, messages, callback)
           else
             callback(err_read, data)
           end
+          client:close()
         end)
       end)
     end

neotest_python/params_getter.py

@@ -136,12 +136,12 @@ async def serve_socket():
 
     if python_socket_path.exists():
         print(python_socket_path)
+        return
 
     atexit.register(lambda: _close_socket(python_socket_path))
 
     signal.signal(signal.SIGTERM, lambda x, _: _close_socket(python_socket_path))
     signal.signal(signal.SIGINT, lambda x, _: _close_socket(python_socket_path))
-    # signal.signal(signal.SIGKILL, lambda x, _: _close_socket(python_socket_path))
 
     async def handle_client(reader: asyncio.StreamReader, writer: asyncio.StreamWriter):
         path = await reader.readline()