TensorFlow.js export enhancements (#4905)

* Add arguments to TensorFlow NMS call

* Add regex substitution to reorder Identity_*

* Delete reorder in docstring

* Cleanup

* Cleanup2

* Removed `+ \` on string ends (not needed)

Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

models/tf.py

@@ -367,7 +367,7 @@ class AgnosticNMS(keras.layers.Layer):
     # TF Agnostic NMS
     def call(self, input, topk_all, iou_thres, conf_thres):
         # wrap map_fn to avoid TypeSpec related error https://stackoverflow.com/a/65809989/3036450
-        return tf.map_fn(self._nms, input,
+        return tf.map_fn(lambda x: self._nms(x, topk_all, iou_thres, conf_thres), input,
                          fn_output_signature=(tf.float32, tf.float32, tf.float32, tf.int32),
                          name='agnostic_nms')