Fixes: Fixed some bugs #10703 (#11180)

### What problem does this PR solve?

Fixes: Fixed some bugs #10703

- Removed S3 upload from the file upload component
- Updated the dropdown menu style on the model provider page
- Updated some model provider icons
- Fixed other style issues

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/constants/llm.ts

@@ -55,6 +55,7 @@ export enum LLMFactory {
   XAI = 'xAI',
   TokenPony = 'TokenPony',
   Meituan = 'Meituan',
+  Longcat = 'LongCat',
   CometAPI = 'CometAPI',
   DeerAPI = 'DeerAPI',
   Builtin = 'Builtin',
@@ -74,7 +75,7 @@ export const IconMap = {
   [LLMFactory.VolcEngine]: 'volcengine',
   [LLMFactory.BaiChuan]: 'baichuan',
   [LLMFactory.Jina]: 'jina',
-  [LLMFactory.MiniMax]: 'chat-minimax',
+  [LLMFactory.MiniMax]: 'MiniMax',
   [LLMFactory.Mistral]: 'mistral',
   [LLMFactory.AzureOpenAI]: 'azure',
   [LLMFactory.Bedrock]: 'bedrock',
@@ -118,6 +119,7 @@ export const IconMap = {
   [LLMFactory.XAI]: 'xai',
   [LLMFactory.TokenPony]: 'tokenpony',
   [LLMFactory.Meituan]: 'longcat',
+  [LLMFactory.Longcat]: 'longcat',
   [LLMFactory.CometAPI]: 'cometapi',
   [LLMFactory.DeerAPI]: 'deerapi',
   [LLMFactory.Builtin]: 'builtin',