[ZEPPELIN-6748] Assemble the fixture-backed Assistant conversation panel - #5578

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object JavaConversions in package collection is deprecated (since 2.12.0): use JavaConverters

value LOCAL_NUMBER_TASK_MANAGER in class ConfigConstants is deprecated

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead

object JavaConverters in package collection is deprecated (since 2.13.0): Use `scala.jdk.CollectionConverters` instead