[Fix]: Remove remaining hard coded refs to sessions store (#7176)

Co-authored-by: openhands <openhands@all-hands.dev>

pyproject.toml

@@ -110,6 +110,7 @@ reportlab = "*"
 [tool.coverage.run]
 concurrency = ["gevent"]
 
+
 [tool.poetry.group.runtime.dependencies]
 jupyterlab = "*"
 notebook = "*"
@@ -138,6 +139,7 @@ ignore = ["D1"]
 [tool.ruff.lint.pydocstyle]
 convention = "google"
 
+
 [tool.poetry.group.evaluation.dependencies]
 streamlit = "*"
 whatthepatch = "*"