chore(sqllab): typescript for getInitialState (#25047)

superset-frontend/src/SqlLab/components/TableElement/index.tsx

@@ -18,6 +18,7 @@
  */
 import React, { useState, useRef, useEffect } from 'react';
 import { useDispatch } from 'react-redux';
+import type { Table } from 'src/SqlLab/types';
 import Collapse from 'src/components/Collapse';
 import Card from 'src/components/Card';
 import ButtonGroup from 'src/components/ButtonGroup';
@@ -49,16 +50,6 @@ export interface Column {
   type: string;
 }
 
-export interface Table {
-  id: string;
-  dbId: number;
-  schema: string;
-  name: string;
-  dataPreviewQueryId?: string | null;
-  expanded?: boolean;
-  initialized?: boolean;
-}
-
 export interface TableElementProps {
   table: Table;
 }