Set the projection override even if the projection parameter list is empty.

The 'PxrOrthographic' projection plugin doesn't have any parameter and we still want to be able to set it. There is also the case for any other projection plugin where no parameter has been set and we rely on RenderMan default values.

(Internal change: 2382547)

Author: JustAlejandro

third_party/renderman-26/plugin/hdPrman/renderPass.cpp

@@ -752,10 +752,8 @@ HdPrman_RenderPass::_Execute(
                 projection,
                 projectionParams);
 
-            if (projectionParams.GetNumParams() != 0) {
-                cameraContext.SetProjectionOverride(
-                    RtUString(projection.c_str()), projectionParams);
-            }
+            cameraContext.SetProjectionOverride(
+                RtUString(projection.c_str()), projectionParams);
         }
 
         // Set Resolution, Crop Window, Pixel Aspect Ratio,

third_party/renderman-27/plugin/hdPrman/renderPass.cpp

@@ -761,10 +761,8 @@ HdPrman_RenderPass::_Execute(
                 projection,
                 projectionParams);
 
-            if (projectionParams.GetNumParams() != 0) {
-                cameraContext.SetProjectionOverride(
-                    RtUString(projection.c_str()), projectionParams);
-            }
+            cameraContext.SetProjectionOverride(
+                RtUString(projection.c_str()), projectionParams);
         }
 
         // Set Resolution, Crop Window, Pixel Aspect Ratio,