feat: migrate context tool to unified-search; use wrappers in context_tool [ECS-1658 ECS-1662]#679

gcuip merged 26 commits intomainUiPath/uipath-langchain-python:mainfrom

fix/ECS-1658-context-tool-argumentProperties-supportUiPath/uipath-langchain-python:fix/ECS-1658-context-tool-argumentProperties-supportCopy head branch name to clipboard