refactor: sqleditorleftbar to typescript (#17926)

* Creating draft PR to address bug

* Still working on solving re rendering bug

* Cleaning up in preparation for push

* Starting conversion to TypeScript

* Working on conversion

* Continued working on typescript conversion, referenced other files for different types, still a rough version of final product

* Added type assertion to actions in props, and added types to some component functions

* Progress on typescript conversion

* Fixed typing issue on collapseStyles

* Fixed styling on div, child of StyledScrollbarContainer

* Attempting to address issues with the actions passed into the TableElement

* Resolved typescript warning on actions of the TableElement component

* Made changes suggested by Arash

* Tested the component without dbId, cleaned up lingering comments

* Made more changes suggested by Arash, removed offline from the SqlEditorLeftBarProps interface

* Made change suggested by Hugh

* Changed the expanded type from any to boolean

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

@@ -37,7 +37,7 @@ interface Column {
   type: string;
 }
 
-interface Table {
+export interface Table {
   id: string;
   name: string;
   partitions?: {
@@ -53,7 +53,7 @@ interface Table {
   columns: Column[];
 }
 
-interface TableElementProps {
+export interface TableElementProps {
   table: Table;
   actions: {
     removeDataPreview: (table: Table) => void;