Add OpenAI icon to ConversationalAgent and ChatOpenAIComponent

src/backend/langflow/components/agents/OpenAIConversationalAgent.py

@@ -16,7 +16,8 @@ from langflow.field_typing.range_spec import RangeSpec
 class ConversationalAgent(CustomComponent):
     display_name: str = "OpenAI Conversational Agent"
     description: str = "Conversational Agent that can use OpenAI's function calling API"
-
+    icon = "OpenAI"
+    
     def build_config(self):
         openai_function_models = [
             "gpt-4-turbo-preview",

src/backend/langflow/components/model_specs/ChatOpenAISpecs.py

@@ -9,6 +9,7 @@ from langflow.field_typing import BaseLanguageModel, NestedDict
 class ChatOpenAIComponent(CustomComponent):
     display_name = "ChatOpenAI"
     description = "`OpenAI` Chat large language models API."
+    icon = "OpenAI"
 
     def build_config(self):
         return {