color channel from baking write node should be aligning with that from the write node created from creator

client/ayon_core/hosts/nuke/api/plugin.py

@@ -778,6 +778,7 @@ class ExporterReviewMov(ExporterReview):
         # deal with now lut defined in viewer lut
         self.viewer_lut_raw = klass.viewer_lut_raw
         self.write_colorspace = instance.data["colorspace"]
+        self.color_channels = instance.data["color_channels"]
 
         self.name = name or "baked"
         self.ext = ext or "mov"
@@ -947,6 +948,8 @@ class ExporterReviewMov(ExporterReview):
         self.log.debug("Path: {}".format(self.path))
         write_node["file"].setValue(str(self.path))
         write_node["file_type"].setValue(str(self.ext))
+        write_node["channels"].setValue(str(self.color_channels))
+
         # Knobs `meta_codec` and `mov64_codec` are not available on centos.
         # TODO shouldn't this come from settings on outputs?
         try:

client/ayon_core/hosts/nuke/plugins/publish/collect_writes.py

@@ -153,6 +153,9 @@ class CollectNukeWrites(pyblish.api.InstancePlugin,
         # Determine defined file type
         ext = write_node["file_type"].value()
 
+        # determine defined channel type
+        color_channels = write_node["channels"].value()
+
         # get frame range data
         handle_start = instance.context.data["handleStart"]
         handle_end = instance.context.data["handleEnd"]
@@ -172,7 +175,8 @@ class CollectNukeWrites(pyblish.api.InstancePlugin,
             "path": write_file_path,
             "outputDir": output_dir,
             "ext": ext,
-            "colorspace": colorspace
+            "colorspace": colorspace,
+            "color_channels": color_channels
         })
 
         if product_type == "render":