[BUG] Workflow Parsing fails with another Map Object

[owaiskazi19]

What is the bug?

With the new addition to Template Model, UI_METADATA field. The parser for workflow treats ui_metdata field as another workflow item.

https://github.com/opensearch-project/opensearch-ai-flow-framework/blob/1de0ca54ab29c00987f56e982c87855b70e47911/src/main/java/org/opensearch/flowframework/model/Template.java#L164-L169

How can one reproduce the bug?

Steps to reproduce the behavior.

1. Add a new map object similar to Moved UI_METADATA from state to GC index and excluded it from search … #156 and run tests.

REPRODUCE WITH: ./gradlew ':test' --tests "org.opensearch.flowframework.model.TemplateTests.testTemplate" -Dtests.seed=11B7CC6871F9718B -Dtests.security.manager=false -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=th-TH-u-nu-thai-x-lvariant-TH -Dtests.timezone=Pacific/Samoa -Druntime.java=14

org.opensearch.flowframework.model.TemplateTests > testTemplate FAILED
    java.io.IOException: A workflow must have at least one node.
        at __randomizedtesting.SeedInfo.seed([11B7CC6871F9718B:5B2B768F27CFA470]:0)
        at org.opensearch.flowframework.model.Workflow.parse(Workflow.java:120)
        at org.opensearch.flowframework.model.Template.parse(Template.java:299)
        at org.opensearch.flowframework.model.Template.parse(Template.java:341)
        at org.opensearch.flowframework.model.TemplateTests.testTemplate(TemplateTests.java:63)

What is the expected behavior?

Parsing should pass

What is your host/environment?

MacOS

Do you have any screenshots?

Do you have any additional context?

Add any other context about the problem.

[dbwiddis]

Is this still an issue or can it be closed?

[minalsha]

@owaiskazi19 does this issue still persists?