Add VertexAI icon to ChatVertexAI and VertexAI components

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

@@ -10,6 +10,8 @@ from langflow.field_typing import BaseLanguageModel
 class ChatVertexAIComponent(CustomComponent):
     display_name = "ChatVertexAI"
     description = "`Vertex AI` Chat large language models API."
+    icon="VertexAI"
+
 
     def build_config(self):
         return {

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

@@ -7,6 +7,7 @@ from langchain_community.llms.vertexai import VertexAI
 class VertexAIComponent(CustomComponent):
     display_name = "VertexAI"
     description = "Google Vertex AI large language models"
+    icon="VertexAI"
 
     def build_config(self):
         return {

src/backend/langflow/components/models/VertexAiModel.py

@@ -9,6 +9,8 @@ from langflow.field_typing import Text
 class ChatVertexAIComponent(LCModelComponent):
     display_name = "ChatVertexAIModel"
     description = "Generate text using Vertex AI Chat large language models API."
+    icon="VertexAI"
+
 
     def build_config(self):
         return {