Web: Display the icon of the currently used storage. (#2504)

https://github.com/infiniflow/ragflow/issues/2503


### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

Before:

<img width="611" alt="image"
src="https://github.com/user-attachments/assets/02a3a1ee-7bfb-4fe0-9b15-11ced69cc8a3">

After:

<img width="796" alt="image"
src="https://github.com/user-attachments/assets/371136af-8d16-47aa-909b-26609d3ad60e">

<img width="557" alt="image"
src="https://github.com/user-attachments/assets/9268362f-2b6a-4ea1-9fe7-659f7292e5e1">

web/src/interfaces/database/user-setting.ts

@@ -24,8 +24,8 @@ export type TaskExecutorElapsed = Record<string, number[]>;
 
 export interface ISystemStatus {
   es: Es;
-  minio: Minio;
-  mysql: Minio;
+  storage: Storage;
+  database: Database;
   redis: Redis;
   task_executor: {
     error?: string;
@@ -41,7 +41,13 @@ interface Redis {
   pending: number;
 }
 
-export interface Minio {
+export interface Storage {
+  status: string;
+  elapsed: number;
+  error: string;
+}
+
+export interface Database {
   status: string;
   elapsed: number;
   error: string;