HTTP route rule processing does not check for DirectResponse or Redirect when filter processing has an error

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Description:

What issue is being seen? Describe what should be happening instead of the bug, for example: The expected value isn't returned, etc.

The processFilterError != nil block in HTTPRoute rule processing (ref) is missing the following check present in GRPCRoute rule processing (ref)

if irRoute.DirectResponse != nil || irRoute.Redirect != nil {
					continue
				}

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