Fix: Fixed the issue where the thinking mode on the chat page could not be turned off #9789 (#9794)

### What problem does this PR solve?

Fix: Fixed the issue where the thinking mode on the chat page could not
be turned off #9789

### Type of change

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

web/src/components/llm-setting-items/next.tsx

@@ -102,8 +102,8 @@ export function LlmSettingFieldItems({
         control={form.control}
         name={'parameter'}
         render={({ field }) => (
-          <FormItem>
-            <FormLabel>{t('freedom')}</FormLabel>
+          <FormItem className="flex justify-between items-center">
+            <FormLabel className="flex-1">{t('freedom')}</FormLabel>
             <FormControl>
               <Select
                 {...field}
@@ -112,7 +112,7 @@ export function LlmSettingFieldItems({
                   field.onChange(val);
                 }}
               >
-                <SelectTrigger>
+                <SelectTrigger className="flex-1 !m-0">
                   <SelectValue />
                 </SelectTrigger>
                 <SelectContent>