fix: add backdrop-blur-sm to plugin dropdown filters for consistent dark mode styling (#24454)

web/app/components/plugins/marketplace/search-box/tags-filter.tsx

         </div>
       </PortalToFollowElemTrigger>
       <PortalToFollowElemContent className='z-[1000]'>
-        <div className='w-[240px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg'>
+        <div className='w-[240px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg backdrop-blur-sm'>
           <div className='p-2 pb-1'>
             <Input
               showLeftIcon

web/app/components/plugins/plugin-page/filter-management/category-filter.tsx

         </div>
       </PortalToFollowElemTrigger>
       <PortalToFollowElemContent className='z-10'>
-        <div className='w-[240px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg'>
+        <div className='w-[240px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg backdrop-blur-sm'>
           <div className='p-2 pb-1'>
             <Input
               showLeftIcon

web/app/components/plugins/plugin-page/filter-management/tag-filter.tsx

         </div>
       </PortalToFollowElemTrigger>
       <PortalToFollowElemContent className='z-10'>
-        <div className='w-[240px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg'>
+        <div className='w-[240px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur shadow-lg backdrop-blur-sm'>
           <div className='p-2 pb-1'>
             <Input
               showLeftIcon

web/app/components/plugins/update-plugin/plugin-version-picker.tsx

       </PortalToFollowElemTrigger>
 
       <PortalToFollowElemContent className='z-[1000]'>
-        <div className="relative w-[209px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur p-1 shadow-lg">
+        <div className="relative w-[209px] rounded-xl border-[0.5px] border-components-panel-border bg-components-panel-bg-blur p-1 shadow-lg backdrop-blur-sm">
           <div className='system-xs-medium-uppercase px-3 pb-0.5 pt-1 text-text-tertiary'>
             {t('plugin.detailPanel.switchVersion')}
           </div>