[ZEPPELIN-6738] Upgrade React to 19 and fix shared host integration - #5558

WARNING conda.conda_pypi.main:notify_externally_managed_future(156): Did you know? You can install many PyPI packages with conda using the conda-pypi beta. Get started: https://docs.conda.io/projects/conda/en/stable/new-features.html

class StreamExecutionEnvironment in package scala is deprecated (since 1.18.0)

class ExecutionEnvironment in package scala is deprecated (since 1.17.0)

class ExecutionEnvironment in package java is deprecated

method getInteger in class Configuration is deprecated

method getInteger in class Configuration is deprecated

method getInteger in class Configuration is deprecated

class StreamExecutionEnvironment in package scala is deprecated (since 1.18.0)

class ExecutionEnvironment in package scala is deprecated (since 1.17.0)

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