fix: chat runtime results should be suspended

[cristipufu]

Description

This PR modifies the chat runtime to convert successful execution results to suspended status.

Development Package

• Add this package as a dependency in your pyproject.toml:

[project]
dependencies = [
  # Exact version:
  "uipath-runtime==0.2.5.dev1000470157",

  # Any version from PR
  "uipath-runtime>=0.2.5.dev1000470000,<0.2.5.dev1000480000"
]

[[tool.uv.index]]
name = "testpypi"
url = "https://test.pypi.org/simple/"
publish-url = "https://test.pypi.org/legacy/"
explicit = true

[tool.uv.sources]
uipath-runtime = { index = "testpypi" }

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