fix: added model utils to get the model name

[edwinjosechittilappilly]

This pull request introduces a new utility function to extract the model name from a language model object and integrates this function into the agent component to enhance model handling.

Key changes include:

New Utility Function:

• src/backend/base/langflow/base/models/model_utils.py: Added a get_model_name function to extract the model name from a language model object by checking for various attributes or falling back to the class name.

Integration of Utility Function:

• src/backend/base/langflow/components/agents/agent.py: Imported the get_model_name function.
• src/backend/base/langflow/components/agents/agent.py: Updated the message_response method in the AgentComponent class to use the get_model_name function to set the model name.

[codspeed-hq]

CodSpeed Performance Report

Merging #4532 will improve performances by 22.93%

_{Comparing fix-model-name-agents-playground (72b2315) with main (da833a5)}

Summary

⚡ 3 improvements
✅ 12 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	fix-model-name-agents-playground	Change
⚡	test_successful_run_with_input_type_text	554.3 ms	455.5 ms	+21.7%
⚡	test_successful_run_with_output_type_any	455 ms	370.1 ms	+22.93%
⚡	test_successful_run_with_output_type_debug	455.5 ms	409 ms	+11.37%

[ogabrielluiz]

I like this.

LGTM

[ogabrielluiz]

What do you think about adding tests for this function using a few llm components?

[edwinjosechittilappilly]

What do you think about adding tests for this function using a few llm components?

Sure!
should we add it now? or after this release?