Reapply "Add image download proxy support to OneBot"

This reverts commit 2bff8343cd.

packages/napcat-webui-frontend/src/pages/dashboard/config/onebot.tsx

@@ -22,12 +22,14 @@ const OneBotConfigCard = () => {
       musicSignUrl: '',
       enableLocalFile2Url: false,
       parseMultMsg: false,
+      imageDownloadProxy: '',
     },
   });
   const reset = () => {
     setOnebotValue('musicSignUrl', config.musicSignUrl);
     setOnebotValue('enableLocalFile2Url', config.enableLocalFile2Url);
     setOnebotValue('parseMultMsg', config.parseMultMsg);
+    setOnebotValue('imageDownloadProxy', config.imageDownloadProxy);
   };
 
   const onSubmit = handleOnebotSubmit(async (data) => {
@@ -104,6 +106,22 @@ const OneBotConfigCard = () => {
           />
         )}
       />
+      <Controller
+        control={control}
+        name='imageDownloadProxy'
+        render={({ field }) => (
+          <Input
+            {...field}
+            label='图片下载代理'
+            placeholder='请输入代理地址，如 http://127.0.0.1:7890'
+            classNames={{
+              inputWrapper:
+                'bg-default-100/50 dark:bg-white/5 backdrop-blur-md border border-transparent hover:bg-default-200/50 dark:hover:bg-white/10 transition-all shadow-sm data-[hover=true]:border-default-300',
+              input: 'bg-transparent text-default-700 placeholder:text-default-400',
+            }}
+          />
+        )}
+      />
       <SaveButtons
         onSubmit={onSubmit}
         reset={reset}