Update workflow_job_template.py for correct error in workflow_nodes with inventory null

[adelahozredhat]

Update workflow_job_template.py for correct error in workflow_nodes with inventory null in json or yaml

Detect error when file vars include in workflow_nodes a inventory with value null

workflow_nodes: inventory: null

This problem detect when use export information from module export in old version of tower

SUMMARY

Correct error

ISSUE TYPE

• Bug, Docs Fix or other nominal change

COMPONENT NAME

• Collection

AWX VERSION

24.4.0

ADDITIONAL INFORMATION

[fosterseth]

can you clarify what this change is doing? are you hoping to surface an error when inventory: null?

[adelahozredhat]

The problem when converter info from module export of workflow, include in vars of node_workflows inventory: null and crash execution

[sonarqubecloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[tvo318]

Thank you for your contribution, it is good to merge.