resolver: inject fewer IDs

[mr-c]

• bump the minor version due to the behavior change?

Fixes common-workflow-language/cwltool#1505 and partially addresses common-workflow-language/cwl-utils#71

Will still inject an id (or other identifier) in some circumstances.

For example with CWL: https://github.com/common-workflow-language/cwl-v1.2/blob/main/tests/schemadef-wf.cwl#L7 will result in "id": "#schemadef-type.yml" as part of the first entry in requirements as show below

{
    "$graph": [
        {
            "class": "CommandLineTool",
            "requirements": [
                {
                    "class": "SchemaDefRequirement",
                    "types": [
                        {
                            "name": "#schemadef-type.yml/HelloType",
                            "type": "record",
                            "fields": [
                                {
                                    "name": "#schemadef-type.yml/HelloType/a",
                                    "type": "string"
                                },
                                {
                                    "name": "#schemadef-type.yml/HelloType/b",
                                    "type": "string"
                                }
                            ]
                        }
                    ],
                    "id": "#schemadef-type.yml"
                }
            ],
            "inputs": [
                {
                    "id": "#schemadef-tool.cwl/hello",
                    "type": "#schemadef-type.yml/HelloType",
                    "inputBinding": {
                        "valueFrom": "$(self.a)/$(self.b)"
                    }
                }
            ],
            "outputs": [
                {
                    "id": "#schemadef-tool.cwl/output",
                    "type": "File",
                    "outputBinding": {
                        "glob": "output.txt"
                    }
                }
            ],
            "stdout": "output.txt",
            "baseCommand": "echo",
            "id": "#schemadef-tool.cwl"
        },
        {
            "class": "Workflow",
            "requirements": [
                {
                    "$import": "#schemadef-type.yml"
                }
            ],
            "inputs": [
                {
                    "type": "#schemadef-type.yml/HelloType",
                    "id": "#main/hello"
                }
            ],
            "outputs": [
                {
                    "type": "File",
                    "outputSource": "#main/step1/output",
                    "id": "#main/output"
                }
            ],
            "steps": [
                {
                    "in": [
                        {
                            "source": "#main/hello",
                            "id": "#main/step1/hello"
                        }
                    ],
                    "out": [
                        "#main/step1/output"
                    ],
                    "run": "#schemadef-tool.cwl",
                    "id": "#main/step1"
                }
            ],
            "id": "#main"
        }
    ],
    "cwlVersion": "v1.2"

[codecov]

Codecov Report

Merging #430 (eb37fd9) into main (3ed19d6) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #430      +/-   ##
==========================================
+ Coverage   79.49%   79.51%   +0.01%     
==========================================
  Files          18       18              
  Lines        3272     3275       +3     
  Branches      881      882       +1     
==========================================
+ Hits         2601     2604       +3     
  Misses        439      439              
  Partials      232      232              

Impacted Files	Coverage Δ
schema_salad/ref_resolver.py	84.44% <100.00%> (+0.06%)	⬆️

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[mr-c]

I did a run of cwltool with this branch; all tests pass including all CWL v1.[012] conformance tests