improvement: remove additional relative and adjust handle position

frontend/src/components/v2/HeaderResizer/HeaderResizer.tsx

@@ -23,7 +23,7 @@ export const HeaderResizer = ({
         }}
       />
       <div
-        style={{ left: `calc(39.5% + ${scrollOffset}px)` }}
+        style={{ left: `calc(43% + ${scrollOffset}px)` }}
         className="pointer-events-none absolute -bottom-[0.1rem] z-30 -translate-x-1/2"
       >
         <div className="h-1 w-8 rounded bg-gray-400 opacity-50" />

frontend/src/pages/secret-manager/OverviewPage/OverviewPage.tsx

@@ -1212,7 +1212,7 @@ export const OverviewPage = () => {
           secretsToDeleteKeys={secretsToDeleteKeys}
           usedBySecretSyncs={usedBySecretSyncs}
         />
-        <div className="thin-scrollbar relative mt-4">
+        <div className="thin-scrollbar mt-4">
           <TableContainer
             onScroll={(e) => setScrollOffset(e.currentTarget.scrollLeft)}
             className="thin-scrollbar rounded-b-none"