Tool fails to execute of include id field

[michael-kotliar]

Describe the bug
If CommandLineTool has id field then all inputs and outputs get prepended by this id. This results in failure while contructing CWLDAG

To Reproduce
Run cwl-v1.1 conformance test from Oct 7, 2020
Test cases:
(225) stage-array
(240) stage_file_array_basename_and_entryname
(238) stage_file_array
(239) stage_file_array_basename
(226) stage-array-dirs

Expected behavior
Shouldn't fail

Desktop

• macOS 10.15.3 (19D76)
• Python 3.7.7 (default, May 2 2020, 22:04:27)
• cwltool==3.0.20200710214758
• schema-salad==7.0.20200811075006
• cwl-airflow (81b3526c0f2981c32e3e6b2285a2fee6278108b4)
• apache-airflow==1.10.12