Fix AssistantAgent Tool Call Behavior (#4602)

* 1 tool call iteration default

* handoff first

* return_only_response

* add and remove tools

* print out tool calls

* pass checks

* fix issues

* add test

* add unit tests

* remove extra print

* Update python/packages/autogen-agentchat/src/autogen_agentchat/agents/_assistant_agent.py

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

* documentation and none max_tools_calls

* Always limit # tool call to 1

* Update notebooks for the changing behavior of assistant agent.

* Merge branch 'main' into assistant_Agent_tools

* add reflect_on_tool_use parameter to format the tool call result

* wip

* wip

* fix pyright

* Add unit tests

* Merge remote-tracking branch 'origin/main' into assistant_Agent_tools

* Update with custom formatting of tool call summary

* format

* Merge branch 'main' into assistant_Agent_tools

python/packages/autogen-core/docs/src/user-guide/agentchat-user-guide/tutorial/termination.ipynb

@@ -296,7 +296,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.6"
+   "version": "3.11.5"
   }
  },
  "nbformat": 4,