fix: resolve datasets container rounded corners disappearing during scroll (#23667)

web/app/(commonLayout)/datasets/container.tsx

   }, [currentWorkspace, router])
 
   return (
-    <div ref={containerRef} className='scroll-container relative flex grow flex-col overflow-y-auto bg-background-body'>
-      <div className='sticky top-0 z-10 flex h-[80px] shrink-0 flex-wrap items-center justify-between gap-y-2 bg-background-body px-12 pb-2 pt-4 leading-[56px]'>
+    <div ref={containerRef} className={`scroll-container relative flex grow flex-col overflow-y-auto rounded-t-xl outline-none ${activeTab === 'dataset' ? 'bg-background-body' : 'bg-components-panel-bg'}`}>
+      <div className={`sticky top-0 z-10 flex shrink-0 flex-wrap items-center justify-between gap-y-2 rounded-t-xl px-6 py-2 ${activeTab === 'api' ? 'border-b border-solid border-b-divider-regular' : ''} ${activeTab === 'dataset' ? 'bg-background-body' : 'bg-components-panel-bg'}`}>
         <TabSliderNew
           value={activeTab}
           onChange={newActiveTab => setActiveTab(newActiveTab)}

web/app/(commonLayout)/datasets/doc.tsx

             </button>
           )}
       </div>
-      <article className={cn('prose-xl prose mx-1 rounded-t-xl bg-background-default px-4 pt-16 sm:mx-12', theme === Theme.dark && 'prose-invert')}>
+      <article className={cn('prose-xl prose', theme === Theme.dark && 'prose-invert')}>
         {Template}
       </article>
     </div>

web/app/components/base/tab-slider-new/index.tsx

           key={option.value}
           onClick={() => onChange(option.value)}
           className={cn(
-            'mr-1 flex h-[32px] cursor-pointer items-center rounded-lg border-[0.5px] border-transparent px-3 py-[7px] text-[13px] font-medium leading-[18px] text-text-tertiary hover:bg-components-main-nav-nav-button-bg-active',
-            value === option.value && 'border-components-main-nav-nav-button-border bg-components-main-nav-nav-button-bg-active text-components-main-nav-nav-button-text-active shadow-xs',
+            'mr-1 flex h-[32px] cursor-pointer items-center rounded-lg border-[0.5px] border-transparent px-3 py-[7px] text-[13px] font-medium leading-[18px] text-text-tertiary hover:bg-state-base-hover',
+            value === option.value && 'border-components-main-nav-nav-button-border bg-state-base-hover text-components-main-nav-nav-button-text-active shadow-xs',
           )}
         >
           {option.icon}

web/app/components/header/header-wrapper.tsx

   children,
 }: HeaderWrapperProps) => {
   const pathname = usePathname()
-  const isBordered = ['/apps', '/datasets', '/datasets/create', '/tools'].includes(pathname)
+  const isBordered = ['/apps', '/datasets/create', '/tools'].includes(pathname)
   // Check if the current path is a workflow canvas & fullscreen
   const inWorkflowCanvas = pathname.endsWith('/workflow')
   const workflowCanvasMaximize = localStorage.getItem('workflow-canvas-maximize') === 'true'