perf: memo colsKeys

Author: linxianxi

src/Table.tsx

@@ -363,7 +363,8 @@ function Table<RecordType extends DefaultRecordType>(
   const [isResizing, setIsResizing] = React.useState(false);
 
   // Convert map to number width
-  const colsKeys = getColumnsKey(flattenColumns);
+  const pureColsKeys = getColumnsKey(flattenColumns);
+  const colsKeys = React.useMemo(() => pureColsKeys, [pureColsKeys.join('_')]);
   const pureColWidths = colsKeys.map(columnKey => colsWidths.get(columnKey));
   const colWidths = React.useMemo(() => pureColWidths, [pureColWidths.join('_')]);
   const stickyOffsets = useStickyOffsets(colWidths, flattenColumns, direction);